Home / 2,928.48-4,393.52-1,630.84

Finding the Fourth Proportional to 2,928.48, 4,393.52 and 1,630.84

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Solution

The fourth proportional to 2,928.48, 4,393.52 and 1,630.84 is: 2,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,928.48 : 4,393.52 = 1,630.84 : x
  2. Step 2: Convert to fraction form
    2,928.48/4,393.52 = 1,630.84/x
  3. Step 3: Cross multiply
    2,928.48x = 4,393.52 × 1,630.84
  4. Step 4: Simplify right side
    2,928.48x = 7,165,128.16
  5. Step 5: Solve for x
    x = 7,165,128.16/2,928.48
  6. Step 6: Final answer
    x = 2,446.71

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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.