Home / 3,345.44-4,615.99-1,947.38

Finding the Fourth Proportional to 3,345.44, 4,615.99 and 1,947.38

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Solution

The fourth proportional to 3,345.44, 4,615.99 and 1,947.38 is: 2,686.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.44 : 4,615.99 = 1,947.38 : x
  2. Step 2: Convert to fraction form
    3,345.44/4,615.99 = 1,947.38/x
  3. Step 3: Cross multiply
    3,345.44x = 4,615.99 × 1,947.38
  4. Step 4: Simplify right side
    3,345.44x = 8,989,058.66
  5. Step 5: Solve for x
    x = 8,989,058.66/3,345.44
  6. Step 6: Final answer
    x = 2,686.96

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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.