Home / 3,718.06-5,575.46-1,407.94

Finding the Fourth Proportional to 3,718.06, 5,575.46 and 1,407.94

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Solution

The fourth proportional to 3,718.06, 5,575.46 and 1,407.94 is: 2,111.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,718.06 : 5,575.46 = 1,407.94 : x
  2. Step 2: Convert to fraction form
    3,718.06/5,575.46 = 1,407.94/x
  3. Step 3: Cross multiply
    3,718.06x = 5,575.46 × 1,407.94
  4. Step 4: Simplify right side
    3,718.06x = 7,849,892.17
  5. Step 5: Solve for x
    x = 7,849,892.17/3,718.06
  6. Step 6: Final answer
    x = 2,111.29

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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.