Home / 3,862.16-5,328.96-2,290.76

Finding the Fourth Proportional to 3,862.16, 5,328.96 and 2,290.76

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Solution

The fourth proportional to 3,862.16, 5,328.96 and 2,290.76 is: 3,160.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.16 : 5,328.96 = 2,290.76 : x
  2. Step 2: Convert to fraction form
    3,862.16/5,328.96 = 2,290.76/x
  3. Step 3: Cross multiply
    3,862.16x = 5,328.96 × 2,290.76
  4. Step 4: Simplify right side
    3,862.16x = 12,207,368.41
  5. Step 5: Solve for x
    x = 12,207,368.41/3,862.16
  6. Step 6: Final answer
    x = 3,160.76

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.