Home / 3,124.60-4,687.14-1,176.28

Finding the Fourth Proportional to 3,124.60, 4,687.14 and 1,176.28

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Solution

The fourth proportional to 3,124.60, 4,687.14 and 1,176.28 is: 1,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.60 : 4,687.14 = 1,176.28 : x
  2. Step 2: Convert to fraction form
    3,124.60/4,687.14 = 1,176.28/x
  3. Step 3: Cross multiply
    3,124.60x = 4,687.14 × 1,176.28
  4. Step 4: Simplify right side
    3,124.60x = 5,513,389.04
  5. Step 5: Solve for x
    x = 5,513,389.04/3,124.60
  6. Step 6: Final answer
    x = 1,764.51

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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.