Home / 1,451.64-2,001.12-1,030.62

Finding the Fourth Proportional to 1,451.64, 2,001.12 and 1,030.62

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Solution

The fourth proportional to 1,451.64, 2,001.12 and 1,030.62 is: 1,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451.64 : 2,001.12 = 1,030.62 : x
  2. Step 2: Convert to fraction form
    1,451.64/2,001.12 = 1,030.62/x
  3. Step 3: Cross multiply
    1,451.64x = 2,001.12 × 1,030.62
  4. Step 4: Simplify right side
    1,451.64x = 2,062,394.29
  5. Step 5: Solve for x
    x = 2,062,394.29/1,451.64
  6. Step 6: Final answer
    x = 1,420.73

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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.