Home / 3,342.56-4,612.79-1,830.25

Finding the Fourth Proportional to 3,342.56, 4,612.79 and 1,830.25

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Solution

The fourth proportional to 3,342.56, 4,612.79 and 1,830.25 is: 2,525.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,342.56 : 4,612.79 = 1,830.25 : x
  2. Step 2: Convert to fraction form
    3,342.56/4,612.79 = 1,830.25/x
  3. Step 3: Cross multiply
    3,342.56x = 4,612.79 × 1,830.25
  4. Step 4: Simplify right side
    3,342.56x = 8,442,531.26
  5. Step 5: Solve for x
    x = 8,442,531.26/3,342.56
  6. Step 6: Final answer
    x = 2,525.77

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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.