Home / 1,577.28-2,365.92-1,237.44

Finding the Fourth Proportional to 1,577.28, 2,365.92 and 1,237.44

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Solution

The fourth proportional to 1,577.28, 2,365.92 and 1,237.44 is: 1,856.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577.28 : 2,365.92 = 1,237.44 : x
  2. Step 2: Convert to fraction form
    1,577.28/2,365.92 = 1,237.44/x
  3. Step 3: Cross multiply
    1,577.28x = 2,365.92 × 1,237.44
  4. Step 4: Simplify right side
    1,577.28x = 2,927,684.04
  5. Step 5: Solve for x
    x = 2,927,684.04/1,577.28
  6. Step 6: Final answer
    x = 1,856.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.