Home / 2,845.11-4,268.28-1,613.10

Finding the Fourth Proportional to 2,845.11, 4,268.28 and 1,613.10

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Solution

The fourth proportional to 2,845.11, 4,268.28 and 1,613.10 is: 2,420.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.11 : 4,268.28 = 1,613.10 : x
  2. Step 2: Convert to fraction form
    2,845.11/4,268.28 = 1,613.10/x
  3. Step 3: Cross multiply
    2,845.11x = 4,268.28 × 1,613.10
  4. Step 4: Simplify right side
    2,845.11x = 6,885,162.47
  5. Step 5: Solve for x
    x = 6,885,162.47/2,845.11
  6. Step 6: Final answer
    x = 2,420.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.