Home / 2,875.26-4,313.43-926.94

Finding the Fourth Proportional to 2,875.26, 4,313.43 and 926.94

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Solution

The fourth proportional to 2,875.26, 4,313.43 and 926.94 is: 1,390.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.26 : 4,313.43 = 926.94 : x
  2. Step 2: Convert to fraction form
    2,875.26/4,313.43 = 926.94/x
  3. Step 3: Cross multiply
    2,875.26x = 4,313.43 × 926.94
  4. Step 4: Simplify right side
    2,875.26x = 3,998,290.80
  5. Step 5: Solve for x
    x = 3,998,290.80/2,875.26
  6. Step 6: Final answer
    x = 1,390.58

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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.