Home / 3,711.02-5,121.02-2,219.08

Finding the Fourth Proportional to 3,711.02, 5,121.02 and 2,219.08

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Solution

The fourth proportional to 3,711.02, 5,121.02 and 2,219.08 is: 3,062.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,711.02 : 5,121.02 = 2,219.08 : x
  2. Step 2: Convert to fraction form
    3,711.02/5,121.02 = 2,219.08/x
  3. Step 3: Cross multiply
    3,711.02x = 5,121.02 × 2,219.08
  4. Step 4: Simplify right side
    3,711.02x = 11,363,953.06
  5. Step 5: Solve for x
    x = 11,363,953.06/3,711.02
  6. Step 6: Final answer
    x = 3,062.22

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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.