Home / 2,237.04-3,087.12-1,242.38

Finding the Fourth Proportional to 2,237.04, 3,087.12 and 1,242.38

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Solution

The fourth proportional to 2,237.04, 3,087.12 and 1,242.38 is: 1,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.04 : 3,087.12 = 1,242.38 : x
  2. Step 2: Convert to fraction form
    2,237.04/3,087.12 = 1,242.38/x
  3. Step 3: Cross multiply
    2,237.04x = 3,087.12 × 1,242.38
  4. Step 4: Simplify right side
    2,237.04x = 3,835,376.15
  5. Step 5: Solve for x
    x = 3,835,376.15/2,237.04
  6. Step 6: Final answer
    x = 1,714.49

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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.