Home / 2,237.78-3,088.09-1,243.01

Finding the Fourth Proportional to 2,237.78, 3,088.09 and 1,243.01

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Solution

The fourth proportional to 2,237.78, 3,088.09 and 1,243.01 is: 1,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.78 : 3,088.09 = 1,243.01 : x
  2. Step 2: Convert to fraction form
    2,237.78/3,088.09 = 1,243.01/x
  3. Step 3: Cross multiply
    2,237.78x = 3,088.09 × 1,243.01
  4. Step 4: Simplify right side
    2,237.78x = 3,838,526.75
  5. Step 5: Solve for x
    x = 3,838,526.75/2,237.78
  6. Step 6: Final answer
    x = 1,715.33

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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.