Home / 1,693.19-2,541.15-1,149.18

Finding the Fourth Proportional to 1,693.19, 2,541.15 and 1,149.18

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Solution

The fourth proportional to 1,693.19, 2,541.15 and 1,149.18 is: 1,724.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,693.19 : 2,541.15 = 1,149.18 : x
  2. Step 2: Convert to fraction form
    1,693.19/2,541.15 = 1,149.18/x
  3. Step 3: Cross multiply
    1,693.19x = 2,541.15 × 1,149.18
  4. Step 4: Simplify right side
    1,693.19x = 2,920,238.76
  5. Step 5: Solve for x
    x = 2,920,238.76/1,693.19
  6. Step 6: Final answer
    x = 1,724.70

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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.