Home / 2,402.46-3,315.65-1,354.86

Finding the Fourth Proportional to 2,402.46, 3,315.65 and 1,354.86

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Solution

The fourth proportional to 2,402.46, 3,315.65 and 1,354.86 is: 1,869.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.46 : 3,315.65 = 1,354.86 : x
  2. Step 2: Convert to fraction form
    2,402.46/3,315.65 = 1,354.86/x
  3. Step 3: Cross multiply
    2,402.46x = 3,315.65 × 1,354.86
  4. Step 4: Simplify right side
    2,402.46x = 4,492,234.78
  5. Step 5: Solve for x
    x = 4,492,234.78/2,402.46
  6. Step 6: Final answer
    x = 1,869.85

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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.