Home / 3,712.24-5,541.26-3,438.16

Finding the Fourth Proportional to 3,712.24, 5,541.26 and 3,438.16

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Solution

The fourth proportional to 3,712.24, 5,541.26 and 3,438.16 is: 5,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.24 : 5,541.26 = 3,438.16 : x
  2. Step 2: Convert to fraction form
    3,712.24/5,541.26 = 3,438.16/x
  3. Step 3: Cross multiply
    3,712.24x = 5,541.26 × 3,438.16
  4. Step 4: Simplify right side
    3,712.24x = 19,051,738.48
  5. Step 5: Solve for x
    x = 19,051,738.48/3,712.24
  6. Step 6: Final answer
    x = 5,132.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.