Home / 1,767.25-2,438.47-1,010.85

Finding the Fourth Proportional to 1,767.25, 2,438.47 and 1,010.85

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Solution

The fourth proportional to 1,767.25, 2,438.47 and 1,010.85 is: 1,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767.25 : 2,438.47 = 1,010.85 : x
  2. Step 2: Convert to fraction form
    1,767.25/2,438.47 = 1,010.85/x
  3. Step 3: Cross multiply
    1,767.25x = 2,438.47 × 1,010.85
  4. Step 4: Simplify right side
    1,767.25x = 2,464,927.40
  5. Step 5: Solve for x
    x = 2,464,927.40/1,767.25
  6. Step 6: Final answer
    x = 1,394.78

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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.