Home / 2,955.23-4,432.23-1,394.56

Finding the Fourth Proportional to 2,955.23, 4,432.23 and 1,394.56

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Solution

The fourth proportional to 2,955.23, 4,432.23 and 1,394.56 is: 2,091.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.23 : 4,432.23 = 1,394.56 : x
  2. Step 2: Convert to fraction form
    2,955.23/4,432.23 = 1,394.56/x
  3. Step 3: Cross multiply
    2,955.23x = 4,432.23 × 1,394.56
  4. Step 4: Simplify right side
    2,955.23x = 6,181,010.67
  5. Step 5: Solve for x
    x = 6,181,010.67/2,955.23
  6. Step 6: Final answer
    x = 2,091.55

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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.