Home / 3,401.20-4,688.49-2,564.70

Finding the Fourth Proportional to 3,401.20, 4,688.49 and 2,564.70

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Solution

The fourth proportional to 3,401.20, 4,688.49 and 2,564.70 is: 3,535.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,401.20 : 4,688.49 = 2,564.70 : x
  2. Step 2: Convert to fraction form
    3,401.20/4,688.49 = 2,564.70/x
  3. Step 3: Cross multiply
    3,401.20x = 4,688.49 × 2,564.70
  4. Step 4: Simplify right side
    3,401.20x = 12,024,570.30
  5. Step 5: Solve for x
    x = 12,024,570.30/3,401.20
  6. Step 6: Final answer
    x = 3,535.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.