Home / 3,628.76-5,442.53-1,407.26

Finding the Fourth Proportional to 3,628.76, 5,442.53 and 1,407.26

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Solution

The fourth proportional to 3,628.76, 5,442.53 and 1,407.26 is: 2,110.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,628.76 : 5,442.53 = 1,407.26 : x
  2. Step 2: Convert to fraction form
    3,628.76/5,442.53 = 1,407.26/x
  3. Step 3: Cross multiply
    3,628.76x = 5,442.53 × 1,407.26
  4. Step 4: Simplify right side
    3,628.76x = 7,659,061.34
  5. Step 5: Solve for x
    x = 7,659,061.34/3,628.76
  6. Step 6: Final answer
    x = 2,110.66

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1.5x scale

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.