Home / 2,645.19-3,650.85-2,014.74

Finding the Fourth Proportional to 2,645.19, 3,650.85 and 2,014.74

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Solution

The fourth proportional to 2,645.19, 3,650.85 and 2,014.74 is: 2,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,645.19 : 3,650.85 = 2,014.74 : x
  2. Step 2: Convert to fraction form
    2,645.19/3,650.85 = 2,014.74/x
  3. Step 3: Cross multiply
    2,645.19x = 3,650.85 × 2,014.74
  4. Step 4: Simplify right side
    2,645.19x = 7,355,513.53
  5. Step 5: Solve for x
    x = 7,355,513.53/2,645.19
  6. Step 6: Final answer
    x = 2,780.71

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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.