Home / 3,116.02-4,305.81-2,964.16

Finding the Fourth Proportional to 3,116.02, 4,305.81 and 2,964.16

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Solution

The fourth proportional to 3,116.02, 4,305.81 and 2,964.16 is: 4,095.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,116.02 : 4,305.81 = 2,964.16 : x
  2. Step 2: Convert to fraction form
    3,116.02/4,305.81 = 2,964.16/x
  3. Step 3: Cross multiply
    3,116.02x = 4,305.81 × 2,964.16
  4. Step 4: Simplify right side
    3,116.02x = 12,763,109.77
  5. Step 5: Solve for x
    x = 12,763,109.77/3,116.02
  6. Step 6: Final answer
    x = 4,095.97

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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.