Home / 2,320.84-3,478.35-1,659.28

Finding the Fourth Proportional to 2,320.84, 3,478.35 and 1,659.28

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Solution

The fourth proportional to 2,320.84, 3,478.35 and 1,659.28 is: 2,486.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.84 : 3,478.35 = 1,659.28 : x
  2. Step 2: Convert to fraction form
    2,320.84/3,478.35 = 1,659.28/x
  3. Step 3: Cross multiply
    2,320.84x = 3,478.35 × 1,659.28
  4. Step 4: Simplify right side
    2,320.84x = 5,771,556.59
  5. Step 5: Solve for x
    x = 5,771,556.59/2,320.84
  6. Step 6: Final answer
    x = 2,486.84

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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.