Home / 3,125.07-4,688.87-1,177.83

Finding the Fourth Proportional to 3,125.07, 4,688.87 and 1,177.83

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Solution

The fourth proportional to 3,125.07, 4,688.87 and 1,177.83 is: 1,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.07 : 4,688.87 = 1,177.83 : x
  2. Step 2: Convert to fraction form
    3,125.07/4,688.87 = 1,177.83/x
  3. Step 3: Cross multiply
    3,125.07x = 4,688.87 × 1,177.83
  4. Step 4: Simplify right side
    3,125.07x = 5,522,685.86
  5. Step 5: Solve for x
    x = 5,522,685.86/3,125.07
  6. Step 6: Final answer
    x = 1,767.22

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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.