Home / 3,001.30-4,137.51-2,114.35

Finding the Fourth Proportional to 3,001.30, 4,137.51 and 2,114.35

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Solution

The fourth proportional to 3,001.30, 4,137.51 and 2,114.35 is: 2,914.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.30 : 4,137.51 = 2,114.35 : x
  2. Step 2: Convert to fraction form
    3,001.30/4,137.51 = 2,114.35/x
  3. Step 3: Cross multiply
    3,001.30x = 4,137.51 × 2,114.35
  4. Step 4: Simplify right side
    3,001.30x = 8,748,144.27
  5. Step 5: Solve for x
    x = 8,748,144.27/3,001.30
  6. Step 6: Final answer
    x = 2,914.79

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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.