Home / 2,180.48-3,008.00-1,295.65

Finding the Fourth Proportional to 2,180.48, 3,008.00 and 1,295.65

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Solution

The fourth proportional to 2,180.48, 3,008.00 and 1,295.65 is: 1,787.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.48 : 3,008.00 = 1,295.65 : x
  2. Step 2: Convert to fraction form
    2,180.48/3,008.00 = 1,295.65/x
  3. Step 3: Cross multiply
    2,180.48x = 3,008.00 × 1,295.65
  4. Step 4: Simplify right side
    2,180.48x = 3,897,325.41
  5. Step 5: Solve for x
    x = 3,897,325.41/2,180.48
  6. Step 6: Final answer
    x = 1,787.37

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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.