Home / 2,988.30-4,124.04-1,662.24

Finding the Fourth Proportional to 2,988.30, 4,124.04 and 1,662.24

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Solution

The fourth proportional to 2,988.30, 4,124.04 and 1,662.24 is: 2,293.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.30 : 4,124.04 = 1,662.24 : x
  2. Step 2: Convert to fraction form
    2,988.30/4,124.04 = 1,662.24/x
  3. Step 3: Cross multiply
    2,988.30x = 4,124.04 × 1,662.24
  4. Step 4: Simplify right side
    2,988.30x = 6,855,144.25
  5. Step 5: Solve for x
    x = 6,855,144.25/2,988.30
  6. Step 6: Final answer
    x = 2,293.99

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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.