Home / 1,927.38-2,658.60-1,141.23

Finding the Fourth Proportional to 1,927.38, 2,658.60 and 1,141.23

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Solution

The fourth proportional to 1,927.38, 2,658.60 and 1,141.23 is: 1,574.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.38 : 2,658.60 = 1,141.23 : x
  2. Step 2: Convert to fraction form
    1,927.38/2,658.60 = 1,141.23/x
  3. Step 3: Cross multiply
    1,927.38x = 2,658.60 × 1,141.23
  4. Step 4: Simplify right side
    1,927.38x = 3,034,074.08
  5. Step 5: Solve for x
    x = 3,034,074.08/1,927.38
  6. Step 6: Final answer
    x = 1,574.20

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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.