Home / 1,240.36-1,860.23-362.84

Finding the Fourth Proportional to 1,240.36, 1,860.23 and 362.84

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Solution

The fourth proportional to 1,240.36, 1,860.23 and 362.84 is: 544.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240.36 : 1,860.23 = 362.84 : x
  2. Step 2: Convert to fraction form
    1,240.36/1,860.23 = 362.84/x
  3. Step 3: Cross multiply
    1,240.36x = 1,860.23 × 362.84
  4. Step 4: Simplify right side
    1,240.36x = 674,957.46
  5. Step 5: Solve for x
    x = 674,957.46/1,240.36
  6. Step 6: Final answer
    x = 544.16

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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.