Home / 3,127.94-4,689.69-1,566.83

Finding the Fourth Proportional to 3,127.94, 4,689.69 and 1,566.83

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Solution

The fourth proportional to 3,127.94, 4,689.69 and 1,566.83 is: 2,349.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.94 : 4,689.69 = 1,566.83 : x
  2. Step 2: Convert to fraction form
    3,127.94/4,689.69 = 1,566.83/x
  3. Step 3: Cross multiply
    3,127.94x = 4,689.69 × 1,566.83
  4. Step 4: Simplify right side
    3,127.94x = 7,347,923.53
  5. Step 5: Solve for x
    x = 7,347,923.53/3,127.94
  6. Step 6: Final answer
    x = 2,349.13

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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.