Home / 3,116.77-4,306.85-2,964.91

Finding the Fourth Proportional to 3,116.77, 4,306.85 and 2,964.91

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Solution

The fourth proportional to 3,116.77, 4,306.85 and 2,964.91 is: 4,097.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.77 : 4,306.85 = 2,964.91 : x
  2. Step 2: Convert to fraction form
    3,116.77/4,306.85 = 2,964.91/x
  3. Step 3: Cross multiply
    3,116.77x = 4,306.85 × 2,964.91
  4. Step 4: Simplify right side
    3,116.77x = 12,769,407.81
  5. Step 5: Solve for x
    x = 12,769,407.81/3,116.77
  6. Step 6: Final answer
    x = 4,097.00

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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.