Home / 2,020.48-3,031.28-1,095.64

Finding the Fourth Proportional to 2,020.48, 3,031.28 and 1,095.64

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Solution

The fourth proportional to 2,020.48, 3,031.28 and 1,095.64 is: 1,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,020.48 : 3,031.28 = 1,095.64 : x
  2. Step 2: Convert to fraction form
    2,020.48/3,031.28 = 1,095.64/x
  3. Step 3: Cross multiply
    2,020.48x = 3,031.28 × 1,095.64
  4. Step 4: Simplify right side
    2,020.48x = 3,321,191.62
  5. Step 5: Solve for x
    x = 3,321,191.62/2,020.48
  6. Step 6: Final answer
    x = 1,643.76

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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.