Home / 2,415.60-3,337.56-2,269.44

Finding the Fourth Proportional to 2,415.60, 3,337.56 and 2,269.44

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Solution

The fourth proportional to 2,415.60, 3,337.56 and 2,269.44 is: 3,135.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,415.60 : 3,337.56 = 2,269.44 : x
  2. Step 2: Convert to fraction form
    2,415.60/3,337.56 = 2,269.44/x
  3. Step 3: Cross multiply
    2,415.60x = 3,337.56 × 2,269.44
  4. Step 4: Simplify right side
    2,415.60x = 7,574,392.17
  5. Step 5: Solve for x
    x = 7,574,392.17/2,415.60
  6. Step 6: Final answer
    x = 3,135.62

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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.