Home / 3,130.18-4,317.73-2,456.97

Finding the Fourth Proportional to 3,130.18, 4,317.73 and 2,456.97

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Solution

The fourth proportional to 3,130.18, 4,317.73 and 2,456.97 is: 3,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130.18 : 4,317.73 = 2,456.97 : x
  2. Step 2: Convert to fraction form
    3,130.18/4,317.73 = 2,456.97/x
  3. Step 3: Cross multiply
    3,130.18x = 4,317.73 × 2,456.97
  4. Step 4: Simplify right side
    3,130.18x = 10,608,526.94
  5. Step 5: Solve for x
    x = 10,608,526.94/3,130.18
  6. Step 6: Final answer
    x = 3,389.11

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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.