Home / 3,125.73-4,315.50-1,948.53

Finding the Fourth Proportional to 3,125.73, 4,315.50 and 1,948.53

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Solution

The fourth proportional to 3,125.73, 4,315.50 and 1,948.53 is: 2,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.73 : 4,315.50 = 1,948.53 : x
  2. Step 2: Convert to fraction form
    3,125.73/4,315.50 = 1,948.53/x
  3. Step 3: Cross multiply
    3,125.73x = 4,315.50 × 1,948.53
  4. Step 4: Simplify right side
    3,125.73x = 8,408,881.22
  5. Step 5: Solve for x
    x = 8,408,881.22/3,125.73
  6. Step 6: Final answer
    x = 2,690.21

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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.