Home / 1,840.61-2,540.05-1,001.32

Finding the Fourth Proportional to 1,840.61, 2,540.05 and 1,001.32

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Solution

The fourth proportional to 1,840.61, 2,540.05 and 1,001.32 is: 1,381.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.61 : 2,540.05 = 1,001.32 : x
  2. Step 2: Convert to fraction form
    1,840.61/2,540.05 = 1,001.32/x
  3. Step 3: Cross multiply
    1,840.61x = 2,540.05 × 1,001.32
  4. Step 4: Simplify right side
    1,840.61x = 2,543,410.46
  5. Step 5: Solve for x
    x = 2,543,410.46/1,840.61
  6. Step 6: Final answer
    x = 1,381.83

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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.