Home / 2,859.20-4,290.08-1,559.04

Finding the Fourth Proportional to 2,859.20, 4,290.08 and 1,559.04

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Solution

The fourth proportional to 2,859.20, 4,290.08 and 1,559.04 is: 2,339.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,859.20 : 4,290.08 = 1,559.04 : x
  2. Step 2: Convert to fraction form
    2,859.20/4,290.08 = 1,559.04/x
  3. Step 3: Cross multiply
    2,859.20x = 4,290.08 × 1,559.04
  4. Step 4: Simplify right side
    2,859.20x = 6,688,406.32
  5. Step 5: Solve for x
    x = 6,688,406.32/2,859.20
  6. Step 6: Final answer
    x = 2,339.26

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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.