Home / 1,525.38-2,288.18-1,117.09

Finding the Fourth Proportional to 1,525.38, 2,288.18 and 1,117.09

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Solution

The fourth proportional to 1,525.38, 2,288.18 and 1,117.09 is: 1,675.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,525.38 : 2,288.18 = 1,117.09 : x
  2. Step 2: Convert to fraction form
    1,525.38/2,288.18 = 1,117.09/x
  3. Step 3: Cross multiply
    1,525.38x = 2,288.18 × 1,117.09
  4. Step 4: Simplify right side
    1,525.38x = 2,556,103.00
  5. Step 5: Solve for x
    x = 2,556,103.00/1,525.38
  6. Step 6: Final answer
    x = 1,675.72

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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.