Home / 2,776.66-4,165.59-1,045.28

Finding the Fourth Proportional to 2,776.66, 4,165.59 and 1,045.28

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Solution

The fourth proportional to 2,776.66, 4,165.59 and 1,045.28 is: 1,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,776.66 : 4,165.59 = 1,045.28 : x
  2. Step 2: Convert to fraction form
    2,776.66/4,165.59 = 1,045.28/x
  3. Step 3: Cross multiply
    2,776.66x = 4,165.59 × 1,045.28
  4. Step 4: Simplify right side
    2,776.66x = 4,354,207.92
  5. Step 5: Solve for x
    x = 4,354,207.92/2,776.66
  6. Step 6: Final answer
    x = 1,568.15

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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.