Home / 3,130.29-4,320.09-1,733.04

Finding the Fourth Proportional to 3,130.29, 4,320.09 and 1,733.04

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Solution

The fourth proportional to 3,130.29, 4,320.09 and 1,733.04 is: 2,391.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.29 : 4,320.09 = 1,733.04 : x
  2. Step 2: Convert to fraction form
    3,130.29/4,320.09 = 1,733.04/x
  3. Step 3: Cross multiply
    3,130.29x = 4,320.09 × 1,733.04
  4. Step 4: Simplify right side
    3,130.29x = 7,486,888.77
  5. Step 5: Solve for x
    x = 7,486,888.77/3,130.29
  6. Step 6: Final answer
    x = 2,391.76

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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.