Home / 2,885.02-3,985.41-2,294.80

Finding the Fourth Proportional to 2,885.02, 3,985.41 and 2,294.80

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Solution

The fourth proportional to 2,885.02, 3,985.41 and 2,294.80 is: 3,170.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.02 : 3,985.41 = 2,294.80 : x
  2. Step 2: Convert to fraction form
    2,885.02/3,985.41 = 2,294.80/x
  3. Step 3: Cross multiply
    2,885.02x = 3,985.41 × 2,294.80
  4. Step 4: Simplify right side
    2,885.02x = 9,145,718.87
  5. Step 5: Solve for x
    x = 9,145,718.87/2,885.02
  6. Step 6: Final answer
    x = 3,170.07

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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.