Home / 2,445.57-3,374.84-1,326.47

Finding the Fourth Proportional to 2,445.57, 3,374.84 and 1,326.47

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Solution

The fourth proportional to 2,445.57, 3,374.84 and 1,326.47 is: 1,830.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,445.57 : 3,374.84 = 1,326.47 : x
  2. Step 2: Convert to fraction form
    2,445.57/3,374.84 = 1,326.47/x
  3. Step 3: Cross multiply
    2,445.57x = 3,374.84 × 1,326.47
  4. Step 4: Simplify right side
    2,445.57x = 4,476,612.26
  5. Step 5: Solve for x
    x = 4,476,612.26/2,445.57
  6. Step 6: Final answer
    x = 1,830.50

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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.