Home / 2,823.45-4,235.14-875.66

Finding the Fourth Proportional to 2,823.45, 4,235.14 and 875.66

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Solution

The fourth proportional to 2,823.45, 4,235.14 and 875.66 is: 1,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.45 : 4,235.14 = 875.66 : x
  2. Step 2: Convert to fraction form
    2,823.45/4,235.14 = 875.66/x
  3. Step 3: Cross multiply
    2,823.45x = 4,235.14 × 875.66
  4. Step 4: Simplify right side
    2,823.45x = 3,708,519.33
  5. Step 5: Solve for x
    x = 3,708,519.33/2,823.45
  6. Step 6: Final answer
    x = 1,313.47

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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.