Home / 2,775.29-4,160.49-1,045.13

Finding the Fourth Proportional to 2,775.29, 4,160.49 and 1,045.13

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Solution

The fourth proportional to 2,775.29, 4,160.49 and 1,045.13 is: 1,566.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,775.29 : 4,160.49 = 1,045.13 : x
  2. Step 2: Convert to fraction form
    2,775.29/4,160.49 = 1,045.13/x
  3. Step 3: Cross multiply
    2,775.29x = 4,160.49 × 1,045.13
  4. Step 4: Simplify right side
    2,775.29x = 4,348,232.11
  5. Step 5: Solve for x
    x = 4,348,232.11/2,775.29
  6. Step 6: Final answer
    x = 1,566.77

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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.