Home / 2,155.93-3,235.65-1,116.24

Finding the Fourth Proportional to 2,155.93, 3,235.65 and 1,116.24

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Solution

The fourth proportional to 2,155.93, 3,235.65 and 1,116.24 is: 1,675.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,155.93 : 3,235.65 = 1,116.24 : x
  2. Step 2: Convert to fraction form
    2,155.93/3,235.65 = 1,116.24/x
  3. Step 3: Cross multiply
    2,155.93x = 3,235.65 × 1,116.24
  4. Step 4: Simplify right side
    2,155.93x = 3,611,761.96
  5. Step 5: Solve for x
    x = 3,611,761.96/2,155.93
  6. Step 6: Final answer
    x = 1,675.27

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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.