Home / 3,000.92-4,140.95-1,742.05

Finding the Fourth Proportional to 3,000.92, 4,140.95 and 1,742.05

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Solution

The fourth proportional to 3,000.92, 4,140.95 and 1,742.05 is: 2,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.92 : 4,140.95 = 1,742.05 : x
  2. Step 2: Convert to fraction form
    3,000.92/4,140.95 = 1,742.05/x
  3. Step 3: Cross multiply
    3,000.92x = 4,140.95 × 1,742.05
  4. Step 4: Simplify right side
    3,000.92x = 7,213,735.95
  5. Step 5: Solve for x
    x = 7,213,735.95/3,000.92
  6. Step 6: Final answer
    x = 2,403.85

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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.