Home / 2,418.68-3,337.80-1,487

Finding the Fourth Proportional to 2,418.68, 3,337.80 and 1,487

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Solution

The fourth proportional to 2,418.68, 3,337.80 and 1,487 is: 2,052.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.68 : 3,337.80 = 1,487 : x
  2. Step 2: Convert to fraction form
    2,418.68/3,337.80 = 1,487/x
  3. Step 3: Cross multiply
    2,418.68x = 3,337.80 × 1,487
  4. Step 4: Simplify right side
    2,418.68x = 4,963,308.60
  5. Step 5: Solve for x
    x = 4,963,308.60/2,418.68
  6. Step 6: Final answer
    x = 2,052.07

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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.