Home / 2,890.08-4,335.32-1,015.75

Finding the Fourth Proportional to 2,890.08, 4,335.32 and 1,015.75

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Solution

The fourth proportional to 2,890.08, 4,335.32 and 1,015.75 is: 1,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.08 : 4,335.32 = 1,015.75 : x
  2. Step 2: Convert to fraction form
    2,890.08/4,335.32 = 1,015.75/x
  3. Step 3: Cross multiply
    2,890.08x = 4,335.32 × 1,015.75
  4. Step 4: Simplify right side
    2,890.08x = 4,403,582.49
  5. Step 5: Solve for x
    x = 4,403,582.49/2,890.08
  6. Step 6: Final answer
    x = 1,523.69

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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.