Home / 3,591.40-5,387.10-1,401.67

Finding the Fourth Proportional to 3,591.40, 5,387.10 and 1,401.67

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Solution

The fourth proportional to 3,591.40, 5,387.10 and 1,401.67 is: 2,102.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,591.40 : 5,387.10 = 1,401.67 : x
  2. Step 2: Convert to fraction form
    3,591.40/5,387.10 = 1,401.67/x
  3. Step 3: Cross multiply
    3,591.40x = 5,387.10 × 1,401.67
  4. Step 4: Simplify right side
    3,591.40x = 7,550,936.46
  5. Step 5: Solve for x
    x = 7,550,936.46/3,591.40
  6. Step 6: Final answer
    x = 2,102.51

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Similar ratio
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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.