Home / 2,627.10-3,623.58-2,129.76

Finding the Fourth Proportional to 2,627.10, 3,623.58 and 2,129.76

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Solution

The fourth proportional to 2,627.10, 3,623.58 and 2,129.76 is: 2,937.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,627.10 : 3,623.58 = 2,129.76 : x
  2. Step 2: Convert to fraction form
    2,627.10/3,623.58 = 2,129.76/x
  3. Step 3: Cross multiply
    2,627.10x = 3,623.58 × 2,129.76
  4. Step 4: Simplify right side
    2,627.10x = 7,717,355.74
  5. Step 5: Solve for x
    x = 7,717,355.74/2,627.10
  6. Step 6: Final answer
    x = 2,937.59

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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.