Home / 3,237.39-4,480.43-3,159.75

Finding the Fourth Proportional to 3,237.39, 4,480.43 and 3,159.75

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Solution

The fourth proportional to 3,237.39, 4,480.43 and 3,159.75 is: 4,372.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,237.39 : 4,480.43 = 3,159.75 : x
  2. Step 2: Convert to fraction form
    3,237.39/4,480.43 = 3,159.75/x
  3. Step 3: Cross multiply
    3,237.39x = 4,480.43 × 3,159.75
  4. Step 4: Simplify right side
    3,237.39x = 14,157,038.69
  5. Step 5: Solve for x
    x = 14,157,038.69/3,237.39
  6. Step 6: Final answer
    x = 4,372.98

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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.