Home / 2,506.86-3,760.11-1,120.32

Finding the Fourth Proportional to 2,506.86, 3,760.11 and 1,120.32

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Solution

The fourth proportional to 2,506.86, 3,760.11 and 1,120.32 is: 1,680.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,506.86 : 3,760.11 = 1,120.32 : x
  2. Step 2: Convert to fraction form
    2,506.86/3,760.11 = 1,120.32/x
  3. Step 3: Cross multiply
    2,506.86x = 3,760.11 × 1,120.32
  4. Step 4: Simplify right side
    2,506.86x = 4,212,526.44
  5. Step 5: Solve for x
    x = 4,212,526.44/2,506.86
  6. Step 6: Final answer
    x = 1,680.40

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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.