Home / 2,445.60-3,648.48-2,011.44

Finding the Fourth Proportional to 2,445.60, 3,648.48 and 2,011.44

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Solution

The fourth proportional to 2,445.60, 3,648.48 and 2,011.44 is: 3,000.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.60 : 3,648.48 = 2,011.44 : x
  2. Step 2: Convert to fraction form
    2,445.60/3,648.48 = 2,011.44/x
  3. Step 3: Cross multiply
    2,445.60x = 3,648.48 × 2,011.44
  4. Step 4: Simplify right side
    2,445.60x = 7,338,698.61
  5. Step 5: Solve for x
    x = 7,338,698.61/2,445.60
  6. Step 6: Final answer
    x = 3,000.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.