Home / 2,239.77-3,090.71-1,244.99

Finding the Fourth Proportional to 2,239.77, 3,090.71 and 1,244.99

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Solution

The fourth proportional to 2,239.77, 3,090.71 and 1,244.99 is: 1,717.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.77 : 3,090.71 = 1,244.99 : x
  2. Step 2: Convert to fraction form
    2,239.77/3,090.71 = 1,244.99/x
  3. Step 3: Cross multiply
    2,239.77x = 3,090.71 × 1,244.99
  4. Step 4: Simplify right side
    2,239.77x = 3,847,892.20
  5. Step 5: Solve for x
    x = 3,847,892.20/2,239.77
  6. Step 6: Final answer
    x = 1,717.99

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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.