Home / 1,753.01-2,422.62-1,437.78

Finding the Fourth Proportional to 1,753.01, 2,422.62 and 1,437.78

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Solution

The fourth proportional to 1,753.01, 2,422.62 and 1,437.78 is: 1,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753.01 : 2,422.62 = 1,437.78 : x
  2. Step 2: Convert to fraction form
    1,753.01/2,422.62 = 1,437.78/x
  3. Step 3: Cross multiply
    1,753.01x = 2,422.62 × 1,437.78
  4. Step 4: Simplify right side
    1,753.01x = 3,483,194.58
  5. Step 5: Solve for x
    x = 3,483,194.58/1,753.01
  6. Step 6: Final answer
    x = 1,986.98

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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.