Home / 3,000.64-4,140.90-1,742.44

Finding the Fourth Proportional to 3,000.64, 4,140.90 and 1,742.44

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Solution

The fourth proportional to 3,000.64, 4,140.90 and 1,742.44 is: 2,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.64 : 4,140.90 = 1,742.44 : x
  2. Step 2: Convert to fraction form
    3,000.64/4,140.90 = 1,742.44/x
  3. Step 3: Cross multiply
    3,000.64x = 4,140.90 × 1,742.44
  4. Step 4: Simplify right side
    3,000.64x = 7,215,269.80
  5. Step 5: Solve for x
    x = 7,215,269.80/3,000.64
  6. Step 6: Final answer
    x = 2,404.58

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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.