Home / 1,875.18-2,809.11-1,223.94

Finding the Fourth Proportional to 1,875.18, 2,809.11 and 1,223.94

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Solution

The fourth proportional to 1,875.18, 2,809.11 and 1,223.94 is: 1,833.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.18 : 2,809.11 = 1,223.94 : x
  2. Step 2: Convert to fraction form
    1,875.18/2,809.11 = 1,223.94/x
  3. Step 3: Cross multiply
    1,875.18x = 2,809.11 × 1,223.94
  4. Step 4: Simplify right side
    1,875.18x = 3,438,182.09
  5. Step 5: Solve for x
    x = 3,438,182.09/1,875.18
  6. Step 6: Final answer
    x = 1,833.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.