Home / 2,046.50-2,824.20-1,115

Finding the Fourth Proportional to 2,046.50, 2,824.20 and 1,115

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Solution

The fourth proportional to 2,046.50, 2,824.20 and 1,115 is: 1,538.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,046.50 : 2,824.20 = 1,115 : x
  2. Step 2: Convert to fraction form
    2,046.50/2,824.20 = 1,115/x
  3. Step 3: Cross multiply
    2,046.50x = 2,824.20 × 1,115
  4. Step 4: Simplify right side
    2,046.50x = 3,148,983
  5. Step 5: Solve for x
    x = 3,148,983/2,046.50
  6. Step 6: Final answer
    x = 1,538.72

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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.