Home / 2,378.60-3,566.37-1,143.55

Finding the Fourth Proportional to 2,378.60, 3,566.37 and 1,143.55

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Solution

The fourth proportional to 2,378.60, 3,566.37 and 1,143.55 is: 1,714.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,378.60 : 3,566.37 = 1,143.55 : x
  2. Step 2: Convert to fraction form
    2,378.60/3,566.37 = 1,143.55/x
  3. Step 3: Cross multiply
    2,378.60x = 3,566.37 × 1,143.55
  4. Step 4: Simplify right side
    2,378.60x = 4,078,304.58
  5. Step 5: Solve for x
    x = 4,078,304.58/2,378.60
  6. Step 6: Final answer
    x = 1,714.59

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1.5x scale

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.