Home / 2,135.20-3,197.70-1,036.03

Finding the Fourth Proportional to 2,135.20, 3,197.70 and 1,036.03

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Solution

The fourth proportional to 2,135.20, 3,197.70 and 1,036.03 is: 1,551.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.20 : 3,197.70 = 1,036.03 : x
  2. Step 2: Convert to fraction form
    2,135.20/3,197.70 = 1,036.03/x
  3. Step 3: Cross multiply
    2,135.20x = 3,197.70 × 1,036.03
  4. Step 4: Simplify right side
    2,135.20x = 3,312,913.13
  5. Step 5: Solve for x
    x = 3,312,913.13/2,135.20
  6. Step 6: Final answer
    x = 1,551.57

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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.