Home / 2,611.10-3,603.29-1,432.19

Finding the Fourth Proportional to 2,611.10, 3,603.29 and 1,432.19

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Solution

The fourth proportional to 2,611.10, 3,603.29 and 1,432.19 is: 1,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,611.10 : 3,603.29 = 1,432.19 : x
  2. Step 2: Convert to fraction form
    2,611.10/3,603.29 = 1,432.19/x
  3. Step 3: Cross multiply
    2,611.10x = 3,603.29 × 1,432.19
  4. Step 4: Simplify right side
    2,611.10x = 5,160,570.73
  5. Step 5: Solve for x
    x = 5,160,570.73/2,611.10
  6. Step 6: Final answer
    x = 1,976.40

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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.