Home / 1,848.15-2,551.38-1,427.56

Finding the Fourth Proportional to 1,848.15, 2,551.38 and 1,427.56

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Solution

The fourth proportional to 1,848.15, 2,551.38 and 1,427.56 is: 1,970.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848.15 : 2,551.38 = 1,427.56 : x
  2. Step 2: Convert to fraction form
    1,848.15/2,551.38 = 1,427.56/x
  3. Step 3: Cross multiply
    1,848.15x = 2,551.38 × 1,427.56
  4. Step 4: Simplify right side
    1,848.15x = 3,642,235.28
  5. Step 5: Solve for x
    x = 3,642,235.28/1,848.15
  6. Step 6: Final answer
    x = 1,970.75

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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.