Home / 3,139.54-4,333.17-2,077.36

Finding the Fourth Proportional to 3,139.54, 4,333.17 and 2,077.36

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Solution

The fourth proportional to 3,139.54, 4,333.17 and 2,077.36 is: 2,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,139.54 : 4,333.17 = 2,077.36 : x
  2. Step 2: Convert to fraction form
    3,139.54/4,333.17 = 2,077.36/x
  3. Step 3: Cross multiply
    3,139.54x = 4,333.17 × 2,077.36
  4. Step 4: Simplify right side
    3,139.54x = 9,001,554.03
  5. Step 5: Solve for x
    x = 9,001,554.03/3,139.54
  6. Step 6: Final answer
    x = 2,867.16

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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.