Home / 3,470.18-5,204.93-1,909.67

Finding the Fourth Proportional to 3,470.18, 5,204.93 and 1,909.67

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Solution

The fourth proportional to 3,470.18, 5,204.93 and 1,909.67 is: 2,864.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,470.18 : 5,204.93 = 1,909.67 : x
  2. Step 2: Convert to fraction form
    3,470.18/5,204.93 = 1,909.67/x
  3. Step 3: Cross multiply
    3,470.18x = 5,204.93 × 1,909.67
  4. Step 4: Simplify right side
    3,470.18x = 9,939,698.67
  5. Step 5: Solve for x
    x = 9,939,698.67/3,470.18
  6. Step 6: Final answer
    x = 2,864.32

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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.