Home / 1,298.17-1,947.19-373.69

Finding the Fourth Proportional to 1,298.17, 1,947.19 and 373.69

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Solution

The fourth proportional to 1,298.17, 1,947.19 and 373.69 is: 560.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298.17 : 1,947.19 = 373.69 : x
  2. Step 2: Convert to fraction form
    1,298.17/1,947.19 = 373.69/x
  3. Step 3: Cross multiply
    1,298.17x = 1,947.19 × 373.69
  4. Step 4: Simplify right side
    1,298.17x = 727,643.56
  5. Step 5: Solve for x
    x = 727,643.56/1,298.17
  6. Step 6: Final answer
    x = 560.51

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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.