Home / 2,461.29-3,690.85-705.90

Finding the Fourth Proportional to 2,461.29, 3,690.85 and 705.90

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Solution

The fourth proportional to 2,461.29, 3,690.85 and 705.90 is: 1,058.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,461.29 : 3,690.85 = 705.90 : x
  2. Step 2: Convert to fraction form
    2,461.29/3,690.85 = 705.90/x
  3. Step 3: Cross multiply
    2,461.29x = 3,690.85 × 705.90
  4. Step 4: Simplify right side
    2,461.29x = 2,605,371.02
  5. Step 5: Solve for x
    x = 2,605,371.02/2,461.29
  6. Step 6: Final answer
    x = 1,058.54

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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.