Home / 3,130.53-4,320.17-1,733.28

Finding the Fourth Proportional to 3,130.53, 4,320.17 and 1,733.28

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Solution

The fourth proportional to 3,130.53, 4,320.17 and 1,733.28 is: 2,391.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.53 : 4,320.17 = 1,733.28 : x
  2. Step 2: Convert to fraction form
    3,130.53/4,320.17 = 1,733.28/x
  3. Step 3: Cross multiply
    3,130.53x = 4,320.17 × 1,733.28
  4. Step 4: Simplify right side
    3,130.53x = 7,488,064.26
  5. Step 5: Solve for x
    x = 7,488,064.26/3,130.53
  6. Step 6: Final answer
    x = 2,391.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.