Home / 4,123.64-5,690.39-2,445.21

Finding the Fourth Proportional to 4,123.64, 5,690.39 and 2,445.21

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Solution

The fourth proportional to 4,123.64, 5,690.39 and 2,445.21 is: 3,374.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,123.64 : 5,690.39 = 2,445.21 : x
  2. Step 2: Convert to fraction form
    4,123.64/5,690.39 = 2,445.21/x
  3. Step 3: Cross multiply
    4,123.64x = 5,690.39 × 2,445.21
  4. Step 4: Simplify right side
    4,123.64x = 13,914,186.31
  5. Step 5: Solve for x
    x = 13,914,186.31/4,123.64
  6. Step 6: Final answer
    x = 3,374.25

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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.