Home / 2,445.56-3,374.88-1,326.44

Finding the Fourth Proportional to 2,445.56, 3,374.88 and 1,326.44

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Solution

The fourth proportional to 2,445.56, 3,374.88 and 1,326.44 is: 1,830.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.56 : 3,374.88 = 1,326.44 : x
  2. Step 2: Convert to fraction form
    2,445.56/3,374.88 = 1,326.44/x
  3. Step 3: Cross multiply
    2,445.56x = 3,374.88 × 1,326.44
  4. Step 4: Simplify right side
    2,445.56x = 4,476,575.83
  5. Step 5: Solve for x
    x = 4,476,575.83/2,445.56
  6. Step 6: Final answer
    x = 1,830.49

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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.