Home / 2,860.07-4,291.47-1,398.41

Finding the Fourth Proportional to 2,860.07, 4,291.47 and 1,398.41

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Solution

The fourth proportional to 2,860.07, 4,291.47 and 1,398.41 is: 2,098.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.07 : 4,291.47 = 1,398.41 : x
  2. Step 2: Convert to fraction form
    2,860.07/4,291.47 = 1,398.41/x
  3. Step 3: Cross multiply
    2,860.07x = 4,291.47 × 1,398.41
  4. Step 4: Simplify right side
    2,860.07x = 6,001,234.56
  5. Step 5: Solve for x
    x = 6,001,234.56/2,860.07
  6. Step 6: Final answer
    x = 2,098.28

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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.