Home / 2,287.46-3,156.48-1,343.16

Finding the Fourth Proportional to 2,287.46, 3,156.48 and 1,343.16

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Solution

The fourth proportional to 2,287.46, 3,156.48 and 1,343.16 is: 1,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,287.46 : 3,156.48 = 1,343.16 : x
  2. Step 2: Convert to fraction form
    2,287.46/3,156.48 = 1,343.16/x
  3. Step 3: Cross multiply
    2,287.46x = 3,156.48 × 1,343.16
  4. Step 4: Simplify right side
    2,287.46x = 4,239,657.68
  5. Step 5: Solve for x
    x = 4,239,657.68/2,287.46
  6. Step 6: Final answer
    x = 1,853.43

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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.