Home / 1,476.07-2,213.61-745.18

Finding the Fourth Proportional to 1,476.07, 2,213.61 and 745.18

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Solution

The fourth proportional to 1,476.07, 2,213.61 and 745.18 is: 1,117.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,476.07 : 2,213.61 = 745.18 : x
  2. Step 2: Convert to fraction form
    1,476.07/2,213.61 = 745.18/x
  3. Step 3: Cross multiply
    1,476.07x = 2,213.61 × 745.18
  4. Step 4: Simplify right side
    1,476.07x = 1,649,537.90
  5. Step 5: Solve for x
    x = 1,649,537.90/1,476.07
  6. Step 6: Final answer
    x = 1,117.52

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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.