Home / 2,635.68-3,953.56-2,020.48

Finding the Fourth Proportional to 2,635.68, 3,953.56 and 2,020.48

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Solution

The fourth proportional to 2,635.68, 3,953.56 and 2,020.48 is: 3,030.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,635.68 : 3,953.56 = 2,020.48 : x
  2. Step 2: Convert to fraction form
    2,635.68/3,953.56 = 2,020.48/x
  3. Step 3: Cross multiply
    2,635.68x = 3,953.56 × 2,020.48
  4. Step 4: Simplify right side
    2,635.68x = 7,988,088.91
  5. Step 5: Solve for x
    x = 7,988,088.91/2,635.68
  6. Step 6: Final answer
    x = 3,030.75

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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.