Home / 2,860.48-4,291.68-1,216.32

Finding the Fourth Proportional to 2,860.48, 4,291.68 and 1,216.32

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Solution

The fourth proportional to 2,860.48, 4,291.68 and 1,216.32 is: 1,824.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.48 : 4,291.68 = 1,216.32 : x
  2. Step 2: Convert to fraction form
    2,860.48/4,291.68 = 1,216.32/x
  3. Step 3: Cross multiply
    2,860.48x = 4,291.68 × 1,216.32
  4. Step 4: Simplify right side
    2,860.48x = 5,220,056.22
  5. Step 5: Solve for x
    x = 5,220,056.22/2,860.48
  6. Step 6: Final answer
    x = 1,824.89

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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.