Home / 3,058.20-4,585.05-977.00

Finding the Fourth Proportional to 3,058.20, 4,585.05 and 977.00

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Solution

The fourth proportional to 3,058.20, 4,585.05 and 977.00 is: 1,464.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,058.20 : 4,585.05 = 977.00 : x
  2. Step 2: Convert to fraction form
    3,058.20/4,585.05 = 977.00/x
  3. Step 3: Cross multiply
    3,058.20x = 4,585.05 × 977.00
  4. Step 4: Simplify right side
    3,058.20x = 4,479,605.31
  5. Step 5: Solve for x
    x = 4,479,605.31/3,058.20
  6. Step 6: Final answer
    x = 1,464.78

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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.