Home / 2,359.20-3,245.76-2,294.40

Finding the Fourth Proportional to 2,359.20, 3,245.76 and 2,294.40

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Solution

The fourth proportional to 2,359.20, 3,245.76 and 2,294.40 is: 3,156.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.20 : 3,245.76 = 2,294.40 : x
  2. Step 2: Convert to fraction form
    2,359.20/3,245.76 = 2,294.40/x
  3. Step 3: Cross multiply
    2,359.20x = 3,245.76 × 2,294.40
  4. Step 4: Simplify right side
    2,359.20x = 7,447,071.74
  5. Step 5: Solve for x
    x = 7,447,071.74/2,359.20
  6. Step 6: Final answer
    x = 3,156.61

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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.