Home / 3,312.70-4,964.38-2,616.30

Finding the Fourth Proportional to 3,312.70, 4,964.38 and 2,616.30

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Solution

The fourth proportional to 3,312.70, 4,964.38 and 2,616.30 is: 3,920.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.70 : 4,964.38 = 2,616.30 : x
  2. Step 2: Convert to fraction form
    3,312.70/4,964.38 = 2,616.30/x
  3. Step 3: Cross multiply
    3,312.70x = 4,964.38 × 2,616.30
  4. Step 4: Simplify right side
    3,312.70x = 12,988,307.39
  5. Step 5: Solve for x
    x = 12,988,307.39/3,312.70
  6. Step 6: Final answer
    x = 3,920.76

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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.