Home / 2,901.05-4,351.88-926.21

Finding the Fourth Proportional to 2,901.05, 4,351.88 and 926.21

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Solution

The fourth proportional to 2,901.05, 4,351.88 and 926.21 is: 1,389.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,901.05 : 4,351.88 = 926.21 : x
  2. Step 2: Convert to fraction form
    2,901.05/4,351.88 = 926.21/x
  3. Step 3: Cross multiply
    2,901.05x = 4,351.88 × 926.21
  4. Step 4: Simplify right side
    2,901.05x = 4,030,728.38
  5. Step 5: Solve for x
    x = 4,030,728.38/2,901.05
  6. Step 6: Final answer
    x = 1,389.41

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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.