Home / 1,864.30-2,570.92-1,235.38

Finding the Fourth Proportional to 1,864.30, 2,570.92 and 1,235.38

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Solution

The fourth proportional to 1,864.30, 2,570.92 and 1,235.38 is: 1,703.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,864.30 : 2,570.92 = 1,235.38 : x
  2. Step 2: Convert to fraction form
    1,864.30/2,570.92 = 1,235.38/x
  3. Step 3: Cross multiply
    1,864.30x = 2,570.92 × 1,235.38
  4. Step 4: Simplify right side
    1,864.30x = 3,176,063.15
  5. Step 5: Solve for x
    x = 3,176,063.15/1,864.30
  6. Step 6: Final answer
    x = 1,703.62

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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.