Home / 3,291.73-4,542.75-1,875.85

Finding the Fourth Proportional to 3,291.73, 4,542.75 and 1,875.85

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Solution

The fourth proportional to 3,291.73, 4,542.75 and 1,875.85 is: 2,588.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.73 : 4,542.75 = 1,875.85 : x
  2. Step 2: Convert to fraction form
    3,291.73/4,542.75 = 1,875.85/x
  3. Step 3: Cross multiply
    3,291.73x = 4,542.75 × 1,875.85
  4. Step 4: Simplify right side
    3,291.73x = 8,521,506.23
  5. Step 5: Solve for x
    x = 8,521,506.23/3,291.73
  6. Step 6: Final answer
    x = 2,588.76

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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.