Home / 2,821.38-4,233.51-2,058.18

Finding the Fourth Proportional to 2,821.38, 4,233.51 and 2,058.18

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Solution

The fourth proportional to 2,821.38, 4,233.51 and 2,058.18 is: 3,088.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,821.38 : 4,233.51 = 2,058.18 : x
  2. Step 2: Convert to fraction form
    2,821.38/4,233.51 = 2,058.18/x
  3. Step 3: Cross multiply
    2,821.38x = 4,233.51 × 2,058.18
  4. Step 4: Simplify right side
    2,821.38x = 8,713,325.61
  5. Step 5: Solve for x
    x = 8,713,325.61/2,821.38
  6. Step 6: Final answer
    x = 3,088.32

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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.