Home / 1,927.82-2,660.52-1,088.23

Finding the Fourth Proportional to 1,927.82, 2,660.52 and 1,088.23

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Solution

The fourth proportional to 1,927.82, 2,660.52 and 1,088.23 is: 1,501.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,927.82 : 2,660.52 = 1,088.23 : x
  2. Step 2: Convert to fraction form
    1,927.82/2,660.52 = 1,088.23/x
  3. Step 3: Cross multiply
    1,927.82x = 2,660.52 × 1,088.23
  4. Step 4: Simplify right side
    1,927.82x = 2,895,244.38
  5. Step 5: Solve for x
    x = 2,895,244.38/1,927.82
  6. Step 6: Final answer
    x = 1,501.82

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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.