Home / 2,884.52-3,980.58-1,608.42

Finding the Fourth Proportional to 2,884.52, 3,980.58 and 1,608.42

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Solution

The fourth proportional to 2,884.52, 3,980.58 and 1,608.42 is: 2,219.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,884.52 : 3,980.58 = 1,608.42 : x
  2. Step 2: Convert to fraction form
    2,884.52/3,980.58 = 1,608.42/x
  3. Step 3: Cross multiply
    2,884.52x = 3,980.58 × 1,608.42
  4. Step 4: Simplify right side
    2,884.52x = 6,402,444.48
  5. Step 5: Solve for x
    x = 6,402,444.48/2,884.52
  6. Step 6: Final answer
    x = 2,219.59

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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.