Home / 1,903.13-2,849.67-1,531.11

Finding the Fourth Proportional to 1,903.13, 2,849.67 and 1,531.11

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Solution

The fourth proportional to 1,903.13, 2,849.67 and 1,531.11 is: 2,292.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,903.13 : 2,849.67 = 1,531.11 : x
  2. Step 2: Convert to fraction form
    1,903.13/2,849.67 = 1,531.11/x
  3. Step 3: Cross multiply
    1,903.13x = 2,849.67 × 1,531.11
  4. Step 4: Simplify right side
    1,903.13x = 4,363,158.23
  5. Step 5: Solve for x
    x = 4,363,158.23/1,903.13
  6. Step 6: Final answer
    x = 2,292.63

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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.