Home / 1,840.32-2,537.46-1,397.48

Finding the Fourth Proportional to 1,840.32, 2,537.46 and 1,397.48

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Solution

The fourth proportional to 1,840.32, 2,537.46 and 1,397.48 is: 1,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840.32 : 2,537.46 = 1,397.48 : x
  2. Step 2: Convert to fraction form
    1,840.32/2,537.46 = 1,397.48/x
  3. Step 3: Cross multiply
    1,840.32x = 2,537.46 × 1,397.48
  4. Step 4: Simplify right side
    1,840.32x = 3,546,036.91
  5. Step 5: Solve for x
    x = 3,546,036.91/1,840.32
  6. Step 6: Final answer
    x = 1,926.86

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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.