Home / 3,124.04-4,686.68-1,275.16

Finding the Fourth Proportional to 3,124.04, 4,686.68 and 1,275.16

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Solution

The fourth proportional to 3,124.04, 4,686.68 and 1,275.16 is: 1,912.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.04 : 4,686.68 = 1,275.16 : x
  2. Step 2: Convert to fraction form
    3,124.04/4,686.68 = 1,275.16/x
  3. Step 3: Cross multiply
    3,124.04x = 4,686.68 × 1,275.16
  4. Step 4: Simplify right side
    3,124.04x = 5,976,266.87
  5. Step 5: Solve for x
    x = 5,976,266.87/3,124.04
  6. Step 6: Final answer
    x = 1,912.99

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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.