Home / 1,614.08-2,417.90-1,239.26

Finding the Fourth Proportional to 1,614.08, 2,417.90 and 1,239.26

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Solution

The fourth proportional to 1,614.08, 2,417.90 and 1,239.26 is: 1,856.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,614.08 : 2,417.90 = 1,239.26 : x
  2. Step 2: Convert to fraction form
    1,614.08/2,417.90 = 1,239.26/x
  3. Step 3: Cross multiply
    1,614.08x = 2,417.90 × 1,239.26
  4. Step 4: Simplify right side
    1,614.08x = 2,996,400.56
  5. Step 5: Solve for x
    x = 2,996,400.56/1,614.08
  6. Step 6: Final answer
    x = 1,856.41

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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.