Home / 3,751.30-5,179-2,574.10

Finding the Fourth Proportional to 3,751.30, 5,179 and 2,574.10

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Solution

The fourth proportional to 3,751.30, 5,179 and 2,574.10 is: 3,553.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,751.30 : 5,179 = 2,574.10 : x
  2. Step 2: Convert to fraction form
    3,751.30/5,179 = 2,574.10/x
  3. Step 3: Cross multiply
    3,751.30x = 5,179 × 2,574.10
  4. Step 4: Simplify right side
    3,751.30x = 13,331,263.90
  5. Step 5: Solve for x
    x = 13,331,263.90/3,751.30
  6. Step 6: Final answer
    x = 3,553.77

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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.