Home / 1,534.19-2,117.18-835.56

Finding the Fourth Proportional to 1,534.19, 2,117.18 and 835.56

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Solution

The fourth proportional to 1,534.19, 2,117.18 and 835.56 is: 1,153.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.19 : 2,117.18 = 835.56 : x
  2. Step 2: Convert to fraction form
    1,534.19/2,117.18 = 835.56/x
  3. Step 3: Cross multiply
    1,534.19x = 2,117.18 × 835.56
  4. Step 4: Simplify right side
    1,534.19x = 1,769,030.92
  5. Step 5: Solve for x
    x = 1,769,030.92/1,534.19
  6. Step 6: Final answer
    x = 1,153.07

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Half scale
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Double scale
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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.