Home / 3,557.26-5,330.80-2,612.79

Finding the Fourth Proportional to 3,557.26, 5,330.80 and 2,612.79

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Solution

The fourth proportional to 3,557.26, 5,330.80 and 2,612.79 is: 3,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.26 : 5,330.80 = 2,612.79 : x
  2. Step 2: Convert to fraction form
    3,557.26/5,330.80 = 2,612.79/x
  3. Step 3: Cross multiply
    3,557.26x = 5,330.80 × 2,612.79
  4. Step 4: Simplify right side
    3,557.26x = 13,928,247.87
  5. Step 5: Solve for x
    x = 13,928,247.87/3,557.26
  6. Step 6: Final answer
    x = 3,915.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.