Home / 1,036.19-1,430.12-926.27

Finding the Fourth Proportional to 1,036.19, 1,430.12 and 926.27

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Solution

The fourth proportional to 1,036.19, 1,430.12 and 926.27 is: 1,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036.19 : 1,430.12 = 926.27 : x
  2. Step 2: Convert to fraction form
    1,036.19/1,430.12 = 926.27/x
  3. Step 3: Cross multiply
    1,036.19x = 1,430.12 × 926.27
  4. Step 4: Simplify right side
    1,036.19x = 1,324,677.25
  5. Step 5: Solve for x
    x = 1,324,677.25/1,036.19
  6. Step 6: Final answer
    x = 1,278.41

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,037.19, 1,431.50 and 927.27
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.