Home / 2,279.30-3,417.75-1,045.64

Finding the Fourth Proportional to 2,279.30, 3,417.75 and 1,045.64

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Solution

The fourth proportional to 2,279.30, 3,417.75 and 1,045.64 is: 1,567.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,279.30 : 3,417.75 = 1,045.64 : x
  2. Step 2: Convert to fraction form
    2,279.30/3,417.75 = 1,045.64/x
  3. Step 3: Cross multiply
    2,279.30x = 3,417.75 × 1,045.64
  4. Step 4: Simplify right side
    2,279.30x = 3,573,719.02
  5. Step 5: Solve for x
    x = 3,573,719.02/2,279.30
  6. Step 6: Final answer
    x = 1,567.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.