Home / 2,860.96-4,289.88-1,691.32

Finding the Fourth Proportional to 2,860.96, 4,289.88 and 1,691.32

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Solution

The fourth proportional to 2,860.96, 4,289.88 and 1,691.32 is: 2,536.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.96 : 4,289.88 = 1,691.32 : x
  2. Step 2: Convert to fraction form
    2,860.96/4,289.88 = 1,691.32/x
  3. Step 3: Cross multiply
    2,860.96x = 4,289.88 × 1,691.32
  4. Step 4: Simplify right side
    2,860.96x = 7,255,559.84
  5. Step 5: Solve for x
    x = 7,255,559.84/2,860.96
  6. Step 6: Final answer
    x = 2,536.06

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1.5x scale

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.