Home / 1,966.18-2,950.24-926.29

Finding the Fourth Proportional to 1,966.18, 2,950.24 and 926.29

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Solution

The fourth proportional to 1,966.18, 2,950.24 and 926.29 is: 1,389.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.18 : 2,950.24 = 926.29 : x
  2. Step 2: Convert to fraction form
    1,966.18/2,950.24 = 926.29/x
  3. Step 3: Cross multiply
    1,966.18x = 2,950.24 × 926.29
  4. Step 4: Simplify right side
    1,966.18x = 2,732,777.81
  5. Step 5: Solve for x
    x = 2,732,777.81/1,966.18
  6. Step 6: Final answer
    x = 1,389.89

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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.