Home / 3,057.38-4,223.13-2,528.39

Finding the Fourth Proportional to 3,057.38, 4,223.13 and 2,528.39

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Solution

The fourth proportional to 3,057.38, 4,223.13 and 2,528.39 is: 3,492.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,057.38 : 4,223.13 = 2,528.39 : x
  2. Step 2: Convert to fraction form
    3,057.38/4,223.13 = 2,528.39/x
  3. Step 3: Cross multiply
    3,057.38x = 4,223.13 × 2,528.39
  4. Step 4: Simplify right side
    3,057.38x = 10,677,719.66
  5. Step 5: Solve for x
    x = 10,677,719.66/3,057.38
  6. Step 6: Final answer
    x = 3,492.45

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Half scale
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Double scale
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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.