Home / 2,447.12-3,670.04-1,060.40

Finding the Fourth Proportional to 2,447.12, 3,670.04 and 1,060.40

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Solution

The fourth proportional to 2,447.12, 3,670.04 and 1,060.40 is: 1,590.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.12 : 3,670.04 = 1,060.40 : x
  2. Step 2: Convert to fraction form
    2,447.12/3,670.04 = 1,060.40/x
  3. Step 3: Cross multiply
    2,447.12x = 3,670.04 × 1,060.40
  4. Step 4: Simplify right side
    2,447.12x = 3,891,710.42
  5. Step 5: Solve for x
    x = 3,891,710.42/2,447.12
  6. Step 6: Final answer
    x = 1,590.32

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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.