Home / 3,772.30-5,206.02-2,179.01

Finding the Fourth Proportional to 3,772.30, 5,206.02 and 2,179.01

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Solution

The fourth proportional to 3,772.30, 5,206.02 and 2,179.01 is: 3,007.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,772.30 : 5,206.02 = 2,179.01 : x
  2. Step 2: Convert to fraction form
    3,772.30/5,206.02 = 2,179.01/x
  3. Step 3: Cross multiply
    3,772.30x = 5,206.02 × 2,179.01
  4. Step 4: Simplify right side
    3,772.30x = 11,343,985.10
  5. Step 5: Solve for x
    x = 11,343,985.10/3,772.30
  6. Step 6: Final answer
    x = 3,007.18

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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.