Home / 3,312.95-4,964.76-2,616.57

Finding the Fourth Proportional to 3,312.95, 4,964.76 and 2,616.57

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Solution

The fourth proportional to 3,312.95, 4,964.76 and 2,616.57 is: 3,921.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.95 : 4,964.76 = 2,616.57 : x
  2. Step 2: Convert to fraction form
    3,312.95/4,964.76 = 2,616.57/x
  3. Step 3: Cross multiply
    3,312.95x = 4,964.76 × 2,616.57
  4. Step 4: Simplify right side
    3,312.95x = 12,990,642.07
  5. Step 5: Solve for x
    x = 12,990,642.07/3,312.95
  6. Step 6: Final answer
    x = 3,921.18

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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.