Home / 3,104.72-4,287.28-2,317.40

Finding the Fourth Proportional to 3,104.72, 4,287.28 and 2,317.40

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Solution

The fourth proportional to 3,104.72, 4,287.28 and 2,317.40 is: 3,200.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,104.72 : 4,287.28 = 2,317.40 : x
  2. Step 2: Convert to fraction form
    3,104.72/4,287.28 = 2,317.40/x
  3. Step 3: Cross multiply
    3,104.72x = 4,287.28 × 2,317.40
  4. Step 4: Simplify right side
    3,104.72x = 9,935,342.67
  5. Step 5: Solve for x
    x = 9,935,342.67/3,104.72
  6. Step 6: Final answer
    x = 3,200.08

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1.5x scale

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.