Home / 3,387.70-4,675.35-2,061.49

Finding the Fourth Proportional to 3,387.70, 4,675.35 and 2,061.49

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Solution

The fourth proportional to 3,387.70, 4,675.35 and 2,061.49 is: 2,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,387.70 : 4,675.35 = 2,061.49 : x
  2. Step 2: Convert to fraction form
    3,387.70/4,675.35 = 2,061.49/x
  3. Step 3: Cross multiply
    3,387.70x = 4,675.35 × 2,061.49
  4. Step 4: Simplify right side
    3,387.70x = 9,638,187.27
  5. Step 5: Solve for x
    x = 9,638,187.27/3,387.70
  6. Step 6: Final answer
    x = 2,845.05

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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.