Home / 2,862.53-3,948.31-2,013.58

Finding the Fourth Proportional to 2,862.53, 3,948.31 and 2,013.58

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Solution

The fourth proportional to 2,862.53, 3,948.31 and 2,013.58 is: 2,777.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,862.53 : 3,948.31 = 2,013.58 : x
  2. Step 2: Convert to fraction form
    2,862.53/3,948.31 = 2,013.58/x
  3. Step 3: Cross multiply
    2,862.53x = 3,948.31 × 2,013.58
  4. Step 4: Simplify right side
    2,862.53x = 7,950,225.66
  5. Step 5: Solve for x
    x = 7,950,225.66/2,862.53
  6. Step 6: Final answer
    x = 2,777.35

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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.