Home / 2,500.34-3,750.64-1,113.77

Finding the Fourth Proportional to 2,500.34, 3,750.64 and 1,113.77

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Solution

The fourth proportional to 2,500.34, 3,750.64 and 1,113.77 is: 1,670.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,500.34 : 3,750.64 = 1,113.77 : x
  2. Step 2: Convert to fraction form
    2,500.34/3,750.64 = 1,113.77/x
  3. Step 3: Cross multiply
    2,500.34x = 3,750.64 × 1,113.77
  4. Step 4: Simplify right side
    2,500.34x = 4,177,356.90
  5. Step 5: Solve for x
    x = 4,177,356.90/2,500.34
  6. Step 6: Final answer
    x = 1,670.72

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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.