Home / 2,088.36-3,132.64-1,222.06

Finding the Fourth Proportional to 2,088.36, 3,132.64 and 1,222.06

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Solution

The fourth proportional to 2,088.36, 3,132.64 and 1,222.06 is: 1,833.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.36 : 3,132.64 = 1,222.06 : x
  2. Step 2: Convert to fraction form
    2,088.36/3,132.64 = 1,222.06/x
  3. Step 3: Cross multiply
    2,088.36x = 3,132.64 × 1,222.06
  4. Step 4: Simplify right side
    2,088.36x = 3,828,274.04
  5. Step 5: Solve for x
    x = 3,828,274.04/2,088.36
  6. Step 6: Final answer
    x = 1,833.15

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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.