Home / 1,334.19-2,002.29-926.16

Finding the Fourth Proportional to 1,334.19, 2,002.29 and 926.16

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Solution

The fourth proportional to 1,334.19, 2,002.29 and 926.16 is: 1,389.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334.19 : 2,002.29 = 926.16 : x
  2. Step 2: Convert to fraction form
    1,334.19/2,002.29 = 926.16/x
  3. Step 3: Cross multiply
    1,334.19x = 2,002.29 × 926.16
  4. Step 4: Simplify right side
    1,334.19x = 1,854,440.91
  5. Step 5: Solve for x
    x = 1,854,440.91/1,334.19
  6. Step 6: Final answer
    x = 1,389.94

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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.