Home / 3,931.36-5,426.64-2,534.56

Finding the Fourth Proportional to 3,931.36, 5,426.64 and 2,534.56

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Solution

The fourth proportional to 3,931.36, 5,426.64 and 2,534.56 is: 3,498.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931.36 : 5,426.64 = 2,534.56 : x
  2. Step 2: Convert to fraction form
    3,931.36/5,426.64 = 2,534.56/x
  3. Step 3: Cross multiply
    3,931.36x = 5,426.64 × 2,534.56
  4. Step 4: Simplify right side
    3,931.36x = 13,754,144.68
  5. Step 5: Solve for x
    x = 13,754,144.68/3,931.36
  6. Step 6: Final answer
    x = 3,498.57

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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.