Home / 3,806.48-5,710.68-3,376.40

Finding the Fourth Proportional to 3,806.48, 5,710.68 and 3,376.40

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Solution

The fourth proportional to 3,806.48, 5,710.68 and 3,376.40 is: 5,065.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,806.48 : 5,710.68 = 3,376.40 : x
  2. Step 2: Convert to fraction form
    3,806.48/5,710.68 = 3,376.40/x
  3. Step 3: Cross multiply
    3,806.48x = 5,710.68 × 3,376.40
  4. Step 4: Simplify right side
    3,806.48x = 19,281,539.95
  5. Step 5: Solve for x
    x = 19,281,539.95/3,806.48
  6. Step 6: Final answer
    x = 5,065.45

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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.