Home / 3,929.13-5,892.95-1,155.93

Finding the Fourth Proportional to 3,929.13, 5,892.95 and 1,155.93

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Solution

The fourth proportional to 3,929.13, 5,892.95 and 1,155.93 is: 1,733.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.13 : 5,892.95 = 1,155.93 : x
  2. Step 2: Convert to fraction form
    3,929.13/5,892.95 = 1,155.93/x
  3. Step 3: Cross multiply
    3,929.13x = 5,892.95 × 1,155.93
  4. Step 4: Simplify right side
    3,929.13x = 6,811,831.91
  5. Step 5: Solve for x
    x = 6,811,831.91/3,929.13
  6. Step 6: Final answer
    x = 1,733.67

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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.