Home / 3,660.20-5,051.21-2,088.21

Finding the Fourth Proportional to 3,660.20, 5,051.21 and 2,088.21

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Solution

The fourth proportional to 3,660.20, 5,051.21 and 2,088.21 is: 2,881.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,660.20 : 5,051.21 = 2,088.21 : x
  2. Step 2: Convert to fraction form
    3,660.20/5,051.21 = 2,088.21/x
  3. Step 3: Cross multiply
    3,660.20x = 5,051.21 × 2,088.21
  4. Step 4: Simplify right side
    3,660.20x = 10,547,976.79
  5. Step 5: Solve for x
    x = 10,547,976.79/3,660.20
  6. Step 6: Final answer
    x = 2,881.81

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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.