Home / 2,651.11-3,657.46-1,531.83

Finding the Fourth Proportional to 2,651.11, 3,657.46 and 1,531.83

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Solution

The fourth proportional to 2,651.11, 3,657.46 and 1,531.83 is: 2,113.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.11 : 3,657.46 = 1,531.83 : x
  2. Step 2: Convert to fraction form
    2,651.11/3,657.46 = 1,531.83/x
  3. Step 3: Cross multiply
    2,651.11x = 3,657.46 × 1,531.83
  4. Step 4: Simplify right side
    2,651.11x = 5,602,606.95
  5. Step 5: Solve for x
    x = 5,602,606.95/2,651.11
  6. Step 6: Final answer
    x = 2,113.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.