Home / 3,345.56-4,617-1,853.48

Finding the Fourth Proportional to 3,345.56, 4,617 and 1,853.48

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Solution

The fourth proportional to 3,345.56, 4,617 and 1,853.48 is: 2,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.56 : 4,617 = 1,853.48 : x
  2. Step 2: Convert to fraction form
    3,345.56/4,617 = 1,853.48/x
  3. Step 3: Cross multiply
    3,345.56x = 4,617 × 1,853.48
  4. Step 4: Simplify right side
    3,345.56x = 8,557,517.16
  5. Step 5: Solve for x
    x = 8,557,517.16/3,345.56
  6. Step 6: Final answer
    x = 2,557.87

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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.