Home / 2,860.37-4,287.80-1,104.08

Finding the Fourth Proportional to 2,860.37, 4,287.80 and 1,104.08

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Solution

The fourth proportional to 2,860.37, 4,287.80 and 1,104.08 is: 1,655.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.37 : 4,287.80 = 1,104.08 : x
  2. Step 2: Convert to fraction form
    2,860.37/4,287.80 = 1,104.08/x
  3. Step 3: Cross multiply
    2,860.37x = 4,287.80 × 1,104.08
  4. Step 4: Simplify right side
    2,860.37x = 4,734,047.26
  5. Step 5: Solve for x
    x = 4,734,047.26/2,860.37
  6. Step 6: Final answer
    x = 1,655.05

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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.