Home / 3,118.02-4,301.77-2,057.78

Finding the Fourth Proportional to 3,118.02, 4,301.77 and 2,057.78

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Solution

The fourth proportional to 3,118.02, 4,301.77 and 2,057.78 is: 2,839.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,118.02 : 4,301.77 = 2,057.78 : x
  2. Step 2: Convert to fraction form
    3,118.02/4,301.77 = 2,057.78/x
  3. Step 3: Cross multiply
    3,118.02x = 4,301.77 × 2,057.78
  4. Step 4: Simplify right side
    3,118.02x = 8,852,096.27
  5. Step 5: Solve for x
    x = 8,852,096.27/3,118.02
  6. Step 6: Final answer
    x = 2,839.01

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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.