Home / 3,557.58-5,328.16-3,434.56

Finding the Fourth Proportional to 3,557.58, 5,328.16 and 3,434.56

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Solution

The fourth proportional to 3,557.58, 5,328.16 and 3,434.56 is: 5,143.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.58 : 5,328.16 = 3,434.56 : x
  2. Step 2: Convert to fraction form
    3,557.58/5,328.16 = 3,434.56/x
  3. Step 3: Cross multiply
    3,557.58x = 5,328.16 × 3,434.56
  4. Step 4: Simplify right side
    3,557.58x = 18,299,885.21
  5. Step 5: Solve for x
    x = 18,299,885.21/3,557.58
  6. Step 6: Final answer
    x = 5,143.91

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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.