Home / 2,088.24-3,133.80-1,356

Finding the Fourth Proportional to 2,088.24, 3,133.80 and 1,356

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Solution

The fourth proportional to 2,088.24, 3,133.80 and 1,356 is: 2,034.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,088.24 : 3,133.80 = 1,356 : x
  2. Step 2: Convert to fraction form
    2,088.24/3,133.80 = 1,356/x
  3. Step 3: Cross multiply
    2,088.24x = 3,133.80 × 1,356
  4. Step 4: Simplify right side
    2,088.24x = 4,249,432.80
  5. Step 5: Solve for x
    x = 4,249,432.80/2,088.24
  6. Step 6: Final answer
    x = 2,034.94

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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.