Home / 2,842.30-4,254.32-1,522.74

Finding the Fourth Proportional to 2,842.30, 4,254.32 and 1,522.74

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Solution

The fourth proportional to 2,842.30, 4,254.32 and 1,522.74 is: 2,279.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.30 : 4,254.32 = 1,522.74 : x
  2. Step 2: Convert to fraction form
    2,842.30/4,254.32 = 1,522.74/x
  3. Step 3: Cross multiply
    2,842.30x = 4,254.32 × 1,522.74
  4. Step 4: Simplify right side
    2,842.30x = 6,478,223.24
  5. Step 5: Solve for x
    x = 6,478,223.24/2,842.30
  6. Step 6: Final answer
    x = 2,279.22

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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.