Home / 3,000.14-4,139.10-1,881.12

Finding the Fourth Proportional to 3,000.14, 4,139.10 and 1,881.12

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Solution

The fourth proportional to 3,000.14, 4,139.10 and 1,881.12 is: 2,595.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.14 : 4,139.10 = 1,881.12 : x
  2. Step 2: Convert to fraction form
    3,000.14/4,139.10 = 1,881.12/x
  3. Step 3: Cross multiply
    3,000.14x = 4,139.10 × 1,881.12
  4. Step 4: Simplify right side
    3,000.14x = 7,786,143.79
  5. Step 5: Solve for x
    x = 7,786,143.79/3,000.14
  6. Step 6: Final answer
    x = 2,595.26

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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.