Home / 1,477.43-2,217.55-1,126.29

Finding the Fourth Proportional to 1,477.43, 2,217.55 and 1,126.29

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Solution

The fourth proportional to 1,477.43, 2,217.55 and 1,126.29 is: 1,690.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.43 : 2,217.55 = 1,126.29 : x
  2. Step 2: Convert to fraction form
    1,477.43/2,217.55 = 1,126.29/x
  3. Step 3: Cross multiply
    1,477.43x = 2,217.55 × 1,126.29
  4. Step 4: Simplify right side
    1,477.43x = 2,497,601.57
  5. Step 5: Solve for x
    x = 2,497,601.57/1,477.43
  6. Step 6: Final answer
    x = 1,690.51

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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.