Home / 1,860.28-2,789.71-610.58

Finding the Fourth Proportional to 1,860.28, 2,789.71 and 610.58

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Solution

The fourth proportional to 1,860.28, 2,789.71 and 610.58 is: 915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,860.28 : 2,789.71 = 610.58 : x
  2. Step 2: Convert to fraction form
    1,860.28/2,789.71 = 610.58/x
  3. Step 3: Cross multiply
    1,860.28x = 2,789.71 × 610.58
  4. Step 4: Simplify right side
    1,860.28x = 1,703,341.13
  5. Step 5: Solve for x
    x = 1,703,341.13/1,860.28
  6. Step 6: Final answer
    x = 915.64

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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.