Home / 1,729.08-2,385.06-1,130.61

Finding the Fourth Proportional to 1,729.08, 2,385.06 and 1,130.61

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Solution

The fourth proportional to 1,729.08, 2,385.06 and 1,130.61 is: 1,559.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729.08 : 2,385.06 = 1,130.61 : x
  2. Step 2: Convert to fraction form
    1,729.08/2,385.06 = 1,130.61/x
  3. Step 3: Cross multiply
    1,729.08x = 2,385.06 × 1,130.61
  4. Step 4: Simplify right side
    1,729.08x = 2,696,572.69
  5. Step 5: Solve for x
    x = 2,696,572.69/1,729.08
  6. Step 6: Final answer
    x = 1,559.54

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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.