Home / 2,860.20-4,287.42-1,010.16

Finding the Fourth Proportional to 2,860.20, 4,287.42 and 1,010.16

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Solution

The fourth proportional to 2,860.20, 4,287.42 and 1,010.16 is: 1,514.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.20 : 4,287.42 = 1,010.16 : x
  2. Step 2: Convert to fraction form
    2,860.20/4,287.42 = 1,010.16/x
  3. Step 3: Cross multiply
    2,860.20x = 4,287.42 × 1,010.16
  4. Step 4: Simplify right side
    2,860.20x = 4,330,980.19
  5. Step 5: Solve for x
    x = 4,330,980.19/2,860.20
  6. Step 6: Final answer
    x = 1,514.22

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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.