Home / 2,319.12-3,199.38-1,534.26

Finding the Fourth Proportional to 2,319.12, 3,199.38 and 1,534.26

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Solution

The fourth proportional to 2,319.12, 3,199.38 and 1,534.26 is: 2,116.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.12 : 3,199.38 = 1,534.26 : x
  2. Step 2: Convert to fraction form
    2,319.12/3,199.38 = 1,534.26/x
  3. Step 3: Cross multiply
    2,319.12x = 3,199.38 × 1,534.26
  4. Step 4: Simplify right side
    2,319.12x = 4,908,680.76
  5. Step 5: Solve for x
    x = 4,908,680.76/2,319.12
  6. Step 6: Final answer
    x = 2,116.61

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1.5x scale

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.