Home / 2,868.30-3,950.10-2,466.90

Finding the Fourth Proportional to 2,868.30, 3,950.10 and 2,466.90

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Solution

The fourth proportional to 2,868.30, 3,950.10 and 2,466.90 is: 3,397.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,868.30 : 3,950.10 = 2,466.90 : x
  2. Step 2: Convert to fraction form
    2,868.30/3,950.10 = 2,466.90/x
  3. Step 3: Cross multiply
    2,868.30x = 3,950.10 × 2,466.90
  4. Step 4: Simplify right side
    2,868.30x = 9,744,501.69
  5. Step 5: Solve for x
    x = 9,744,501.69/2,868.30
  6. Step 6: Final answer
    x = 3,397.31

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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.