Home / 1,731.87-2,597.80-1,086.70

Finding the Fourth Proportional to 1,731.87, 2,597.80 and 1,086.70

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Solution

The fourth proportional to 1,731.87, 2,597.80 and 1,086.70 is: 1,630.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731.87 : 2,597.80 = 1,086.70 : x
  2. Step 2: Convert to fraction form
    1,731.87/2,597.80 = 1,086.70/x
  3. Step 3: Cross multiply
    1,731.87x = 2,597.80 × 1,086.70
  4. Step 4: Simplify right side
    1,731.87x = 2,823,029.26
  5. Step 5: Solve for x
    x = 2,823,029.26/1,731.87
  6. Step 6: Final answer
    x = 1,630.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.