Home / 3,353.20-5,030.71-2,385.45

Finding the Fourth Proportional to 3,353.20, 5,030.71 and 2,385.45

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Solution

The fourth proportional to 3,353.20, 5,030.71 and 2,385.45 is: 3,578.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,353.20 : 5,030.71 = 2,385.45 : x
  2. Step 2: Convert to fraction form
    3,353.20/5,030.71 = 2,385.45/x
  3. Step 3: Cross multiply
    3,353.20x = 5,030.71 × 2,385.45
  4. Step 4: Simplify right side
    3,353.20x = 12,000,501.21
  5. Step 5: Solve for x
    x = 12,000,501.21/3,353.20
  6. Step 6: Final answer
    x = 3,578.82

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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.