Home / 3,001.39-4,142.28-1,742.16

Finding the Fourth Proportional to 3,001.39, 4,142.28 and 1,742.16

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Solution

The fourth proportional to 3,001.39, 4,142.28 and 1,742.16 is: 2,404.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.39 : 4,142.28 = 1,742.16 : x
  2. Step 2: Convert to fraction form
    3,001.39/4,142.28 = 1,742.16/x
  3. Step 3: Cross multiply
    3,001.39x = 4,142.28 × 1,742.16
  4. Step 4: Simplify right side
    3,001.39x = 7,216,536.59
  5. Step 5: Solve for x
    x = 7,216,536.59/3,001.39
  6. Step 6: Final answer
    x = 2,404.40

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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.