Home / 3,588.60-5,385.40-1,397.34

Finding the Fourth Proportional to 3,588.60, 5,385.40 and 1,397.34

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Solution

The fourth proportional to 3,588.60, 5,385.40 and 1,397.34 is: 2,096.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,588.60 : 5,385.40 = 1,397.34 : x
  2. Step 2: Convert to fraction form
    3,588.60/5,385.40 = 1,397.34/x
  3. Step 3: Cross multiply
    3,588.60x = 5,385.40 × 1,397.34
  4. Step 4: Simplify right side
    3,588.60x = 7,525,234.84
  5. Step 5: Solve for x
    x = 7,525,234.84/3,588.60
  6. Step 6: Final answer
    x = 2,096.98

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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.