Home / 2,237.61-3,087.78-1,242.93

Finding the Fourth Proportional to 2,237.61, 3,087.78 and 1,242.93

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Solution

The fourth proportional to 2,237.61, 3,087.78 and 1,242.93 is: 1,715.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.61 : 3,087.78 = 1,242.93 : x
  2. Step 2: Convert to fraction form
    2,237.61/3,087.78 = 1,242.93/x
  3. Step 3: Cross multiply
    2,237.61x = 3,087.78 × 1,242.93
  4. Step 4: Simplify right side
    2,237.61x = 3,837,894.40
  5. Step 5: Solve for x
    x = 3,837,894.40/2,237.61
  6. Step 6: Final answer
    x = 1,715.18

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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.