Home / 2,385.18-3,291.57-1,441.08

Finding the Fourth Proportional to 2,385.18, 3,291.57 and 1,441.08

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Solution

The fourth proportional to 2,385.18, 3,291.57 and 1,441.08 is: 1,988.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,385.18 : 3,291.57 = 1,441.08 : x
  2. Step 2: Convert to fraction form
    2,385.18/3,291.57 = 1,441.08/x
  3. Step 3: Cross multiply
    2,385.18x = 3,291.57 × 1,441.08
  4. Step 4: Simplify right side
    2,385.18x = 4,743,415.70
  5. Step 5: Solve for x
    x = 4,743,415.70/2,385.18
  6. Step 6: Final answer
    x = 1,988.70

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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.