Home / 2,977.98-4,463.88-2,154.20

Finding the Fourth Proportional to 2,977.98, 4,463.88 and 2,154.20

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Solution

The fourth proportional to 2,977.98, 4,463.88 and 2,154.20 is: 3,229.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.98 : 4,463.88 = 2,154.20 : x
  2. Step 2: Convert to fraction form
    2,977.98/4,463.88 = 2,154.20/x
  3. Step 3: Cross multiply
    2,977.98x = 4,463.88 × 2,154.20
  4. Step 4: Simplify right side
    2,977.98x = 9,616,090.30
  5. Step 5: Solve for x
    x = 9,616,090.30/2,977.98
  6. Step 6: Final answer
    x = 3,229.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.