Home / 3,374.56-4,657.76-3,042.40

Finding the Fourth Proportional to 3,374.56, 4,657.76 and 3,042.40

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Solution

The fourth proportional to 3,374.56, 4,657.76 and 3,042.40 is: 4,199.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,374.56 : 4,657.76 = 3,042.40 : x
  2. Step 2: Convert to fraction form
    3,374.56/4,657.76 = 3,042.40/x
  3. Step 3: Cross multiply
    3,374.56x = 4,657.76 × 3,042.40
  4. Step 4: Simplify right side
    3,374.56x = 14,170,769.02
  5. Step 5: Solve for x
    x = 14,170,769.02/3,374.56
  6. Step 6: Final answer
    x = 4,199.29

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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.