Home / 1,535.24-2,121.72-1,162.08

Finding the Fourth Proportional to 1,535.24, 2,121.72 and 1,162.08

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Solution

The fourth proportional to 1,535.24, 2,121.72 and 1,162.08 is: 1,606.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,535.24 : 2,121.72 = 1,162.08 : x
  2. Step 2: Convert to fraction form
    1,535.24/2,121.72 = 1,162.08/x
  3. Step 3: Cross multiply
    1,535.24x = 2,121.72 × 1,162.08
  4. Step 4: Simplify right side
    1,535.24x = 2,465,608.38
  5. Step 5: Solve for x
    x = 2,465,608.38/1,535.24
  6. Step 6: Final answer
    x = 1,606.01

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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.