Home / 2,585.16-3,569.40-1,591.80

Finding the Fourth Proportional to 2,585.16, 3,569.40 and 1,591.80

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Solution

The fourth proportional to 2,585.16, 3,569.40 and 1,591.80 is: 2,197.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,585.16 : 3,569.40 = 1,591.80 : x
  2. Step 2: Convert to fraction form
    2,585.16/3,569.40 = 1,591.80/x
  3. Step 3: Cross multiply
    2,585.16x = 3,569.40 × 1,591.80
  4. Step 4: Simplify right side
    2,585.16x = 5,681,770.92
  5. Step 5: Solve for x
    x = 5,681,770.92/2,585.16
  6. Step 6: Final answer
    x = 2,197.84

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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.