Home / 3,557.40-5,337.18-1,609.80

Finding the Fourth Proportional to 3,557.40, 5,337.18 and 1,609.80

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Solution

The fourth proportional to 3,557.40, 5,337.18 and 1,609.80 is: 2,415.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,557.40 : 5,337.18 = 1,609.80 : x
  2. Step 2: Convert to fraction form
    3,557.40/5,337.18 = 1,609.80/x
  3. Step 3: Cross multiply
    3,557.40x = 5,337.18 × 1,609.80
  4. Step 4: Simplify right side
    3,557.40x = 8,591,792.36
  5. Step 5: Solve for x
    x = 8,591,792.36/3,557.40
  6. Step 6: Final answer
    x = 2,415.19

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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.