Home / 2,860.34-4,289.85-1,104.77

Finding the Fourth Proportional to 2,860.34, 4,289.85 and 1,104.77

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Solution

The fourth proportional to 2,860.34, 4,289.85 and 1,104.77 is: 1,656.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,860.34 : 4,289.85 = 1,104.77 : x
  2. Step 2: Convert to fraction form
    2,860.34/4,289.85 = 1,104.77/x
  3. Step 3: Cross multiply
    2,860.34x = 4,289.85 × 1,104.77
  4. Step 4: Simplify right side
    2,860.34x = 4,739,297.58
  5. Step 5: Solve for x
    x = 4,739,297.58/2,860.34
  6. Step 6: Final answer
    x = 1,656.90

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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.