Home / 2,981.06-4,115.02-2,237.18

Finding the Fourth Proportional to 2,981.06, 4,115.02 and 2,237.18

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Solution

The fourth proportional to 2,981.06, 4,115.02 and 2,237.18 is: 3,088.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.06 : 4,115.02 = 2,237.18 : x
  2. Step 2: Convert to fraction form
    2,981.06/4,115.02 = 2,237.18/x
  3. Step 3: Cross multiply
    2,981.06x = 4,115.02 × 2,237.18
  4. Step 4: Simplify right side
    2,981.06x = 9,206,022.66
  5. Step 5: Solve for x
    x = 9,206,022.66/2,981.06
  6. Step 6: Final answer
    x = 3,088.17

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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.