Home / 3,111.04-4,666.56-2,134.18

Finding the Fourth Proportional to 3,111.04, 4,666.56 and 2,134.18

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Solution

The fourth proportional to 3,111.04, 4,666.56 and 2,134.18 is: 3,201.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.04 : 4,666.56 = 2,134.18 : x
  2. Step 2: Convert to fraction form
    3,111.04/4,666.56 = 2,134.18/x
  3. Step 3: Cross multiply
    3,111.04x = 4,666.56 × 2,134.18
  4. Step 4: Simplify right side
    3,111.04x = 9,959,279.02
  5. Step 5: Solve for x
    x = 9,959,279.02/3,111.04
  6. Step 6: Final answer
    x = 3,201.27

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.