Home / 2,431.55-3,354.35-1,723.55

Finding the Fourth Proportional to 2,431.55, 3,354.35 and 1,723.55

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Solution

The fourth proportional to 2,431.55, 3,354.35 and 1,723.55 is: 2,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.55 : 3,354.35 = 1,723.55 : x
  2. Step 2: Convert to fraction form
    2,431.55/3,354.35 = 1,723.55/x
  3. Step 3: Cross multiply
    2,431.55x = 3,354.35 × 1,723.55
  4. Step 4: Simplify right side
    2,431.55x = 5,781,364.55
  5. Step 5: Solve for x
    x = 5,781,364.55/2,431.55
  6. Step 6: Final answer
    x = 2,377.64

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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.