Home / 2,263.90-3,124.18-1,319.62

Finding the Fourth Proportional to 2,263.90, 3,124.18 and 1,319.62

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Solution

The fourth proportional to 2,263.90, 3,124.18 and 1,319.62 is: 1,821.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.90 : 3,124.18 = 1,319.62 : x
  2. Step 2: Convert to fraction form
    2,263.90/3,124.18 = 1,319.62/x
  3. Step 3: Cross multiply
    2,263.90x = 3,124.18 × 1,319.62
  4. Step 4: Simplify right side
    2,263.90x = 4,122,714.79
  5. Step 5: Solve for x
    x = 4,122,714.79/2,263.90
  6. Step 6: Final answer
    x = 1,821.07

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Why These Related Problems?

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