Home / 2,899.40-4,011.54-2,455.88

Finding the Fourth Proportional to 2,899.40, 4,011.54 and 2,455.88

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Solution

The fourth proportional to 2,899.40, 4,011.54 and 2,455.88 is: 3,397.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.40 : 4,011.54 = 2,455.88 : x
  2. Step 2: Convert to fraction form
    2,899.40/4,011.54 = 2,455.88/x
  3. Step 3: Cross multiply
    2,899.40x = 4,011.54 × 2,455.88
  4. Step 4: Simplify right side
    2,899.40x = 9,851,860.86
  5. Step 5: Solve for x
    x = 9,851,860.86/2,899.40
  6. Step 6: Final answer
    x = 3,397.90

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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.