Home / 3,024.32-4,536.54-1,990.92

Finding the Fourth Proportional to 3,024.32, 4,536.54 and 1,990.92

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Solution

The fourth proportional to 3,024.32, 4,536.54 and 1,990.92 is: 2,986.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,024.32 : 4,536.54 = 1,990.92 : x
  2. Step 2: Convert to fraction form
    3,024.32/4,536.54 = 1,990.92/x
  3. Step 3: Cross multiply
    3,024.32x = 4,536.54 × 1,990.92
  4. Step 4: Simplify right side
    3,024.32x = 9,031,888.22
  5. Step 5: Solve for x
    x = 9,031,888.22/3,024.32
  6. Step 6: Final answer
    x = 2,986.42

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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.