Home / 2,988.60-4,481.52-1,653.50

Finding the Fourth Proportional to 2,988.60, 4,481.52 and 1,653.50

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Solution

The fourth proportional to 2,988.60, 4,481.52 and 1,653.50 is: 2,479.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,988.60 : 4,481.52 = 1,653.50 : x
  2. Step 2: Convert to fraction form
    2,988.60/4,481.52 = 1,653.50/x
  3. Step 3: Cross multiply
    2,988.60x = 4,481.52 × 1,653.50
  4. Step 4: Simplify right side
    2,988.60x = 7,410,170.91
  5. Step 5: Solve for x
    x = 7,410,170.91/2,988.60
  6. Step 6: Final answer
    x = 2,479.48

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1.5x scale

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.