Home / 3,130.24-4,695.12-1,306.24

Finding the Fourth Proportional to 3,130.24, 4,695.12 and 1,306.24

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Solution

The fourth proportional to 3,130.24, 4,695.12 and 1,306.24 is: 1,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.24 : 4,695.12 = 1,306.24 : x
  2. Step 2: Convert to fraction form
    3,130.24/4,695.12 = 1,306.24/x
  3. Step 3: Cross multiply
    3,130.24x = 4,695.12 × 1,306.24
  4. Step 4: Simplify right side
    3,130.24x = 6,132,953.55
  5. Step 5: Solve for x
    x = 6,132,953.55/3,130.24
  6. Step 6: Final answer
    x = 1,959.26

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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.