Home / 1,853.08-2,557.07-1,013.72

Finding the Fourth Proportional to 1,853.08, 2,557.07 and 1,013.72

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Solution

The fourth proportional to 1,853.08, 2,557.07 and 1,013.72 is: 1,398.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853.08 : 2,557.07 = 1,013.72 : x
  2. Step 2: Convert to fraction form
    1,853.08/2,557.07 = 1,013.72/x
  3. Step 3: Cross multiply
    1,853.08x = 2,557.07 × 1,013.72
  4. Step 4: Simplify right side
    1,853.08x = 2,592,138.95
  5. Step 5: Solve for x
    x = 2,592,138.95/1,853.08
  6. Step 6: Final answer
    x = 1,398.83

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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.