Home / 2,988.08-4,475.52-2,914.64

Finding the Fourth Proportional to 2,988.08, 4,475.52 and 2,914.64

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Solution

The fourth proportional to 2,988.08, 4,475.52 and 2,914.64 is: 4,365.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.08 : 4,475.52 = 2,914.64 : x
  2. Step 2: Convert to fraction form
    2,988.08/4,475.52 = 2,914.64/x
  3. Step 3: Cross multiply
    2,988.08x = 4,475.52 × 2,914.64
  4. Step 4: Simplify right side
    2,988.08x = 13,044,529.61
  5. Step 5: Solve for x
    x = 13,044,529.61/2,988.08
  6. Step 6: Final answer
    x = 4,365.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.