Home / 2,263.55-3,398.05-2,148.73

Finding the Fourth Proportional to 2,263.55, 3,398.05 and 2,148.73

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Solution

The fourth proportional to 2,263.55, 3,398.05 and 2,148.73 is: 3,225.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,263.55 : 3,398.05 = 2,148.73 : x
  2. Step 2: Convert to fraction form
    2,263.55/3,398.05 = 2,148.73/x
  3. Step 3: Cross multiply
    2,263.55x = 3,398.05 × 2,148.73
  4. Step 4: Simplify right side
    2,263.55x = 7,301,486.17
  5. Step 5: Solve for x
    x = 7,301,486.17/2,263.55
  6. Step 6: Final answer
    x = 3,225.69

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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.