Home / 2,343.40-3,226.52-1,988.62

Finding the Fourth Proportional to 2,343.40, 3,226.52 and 1,988.62

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Solution

The fourth proportional to 2,343.40, 3,226.52 and 1,988.62 is: 2,738.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,343.40 : 3,226.52 = 1,988.62 : x
  2. Step 2: Convert to fraction form
    2,343.40/3,226.52 = 1,988.62/x
  3. Step 3: Cross multiply
    2,343.40x = 3,226.52 × 1,988.62
  4. Step 4: Simplify right side
    2,343.40x = 6,416,312.26
  5. Step 5: Solve for x
    x = 6,416,312.26/2,343.40
  6. Step 6: Final answer
    x = 2,738.04

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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.