Home / 2,319.84-3,480.93-1,165.50

Finding the Fourth Proportional to 2,319.84, 3,480.93 and 1,165.50

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Solution

The fourth proportional to 2,319.84, 3,480.93 and 1,165.50 is: 1,748.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,319.84 : 3,480.93 = 1,165.50 : x
  2. Step 2: Convert to fraction form
    2,319.84/3,480.93 = 1,165.50/x
  3. Step 3: Cross multiply
    2,319.84x = 3,480.93 × 1,165.50
  4. Step 4: Simplify right side
    2,319.84x = 4,057,023.92
  5. Step 5: Solve for x
    x = 4,057,023.92/2,319.84
  6. Step 6: Final answer
    x = 1,748.84

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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.