Home / 1,450.30-2,001.88-1,077.16

Finding the Fourth Proportional to 1,450.30, 2,001.88 and 1,077.16

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Solution

The fourth proportional to 1,450.30, 2,001.88 and 1,077.16 is: 1,486.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,450.30 : 2,001.88 = 1,077.16 : x
  2. Step 2: Convert to fraction form
    1,450.30/2,001.88 = 1,077.16/x
  3. Step 3: Cross multiply
    1,450.30x = 2,001.88 × 1,077.16
  4. Step 4: Simplify right side
    1,450.30x = 2,156,345.06
  5. Step 5: Solve for x
    x = 2,156,345.06/1,450.30
  6. Step 6: Final answer
    x = 1,486.83

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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.