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Finding the Fourth Proportional to 2,618.52, 3,606.52 and 2,421.44

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Solution

The fourth proportional to 2,618.52, 3,606.52 and 2,421.44 is: 3,335.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.52 : 3,606.52 = 2,421.44 : x
  2. Step 2: Convert to fraction form
    2,618.52/3,606.52 = 2,421.44/x
  3. Step 3: Cross multiply
    2,618.52x = 3,606.52 × 2,421.44
  4. Step 4: Simplify right side
    2,618.52x = 8,732,971.79
  5. Step 5: Solve for x
    x = 8,732,971.79/2,618.52
  6. Step 6: Final answer
    x = 3,335.08

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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.