Home / 3,345.80-4,617.45-1,853.85

Finding the Fourth Proportional to 3,345.80, 4,617.45 and 1,853.85

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Solution

The fourth proportional to 3,345.80, 4,617.45 and 1,853.85 is: 2,558.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,345.80 : 4,617.45 = 1,853.85 : x
  2. Step 2: Convert to fraction form
    3,345.80/4,617.45 = 1,853.85/x
  3. Step 3: Cross multiply
    3,345.80x = 4,617.45 × 1,853.85
  4. Step 4: Simplify right side
    3,345.80x = 8,560,059.68
  5. Step 5: Solve for x
    x = 8,560,059.68/3,345.80
  6. Step 6: Final answer
    x = 2,558.45

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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.