Home / 4,312.84-5,953.68-2,820.84

Finding the Fourth Proportional to 4,312.84, 5,953.68 and 2,820.84

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Solution

The fourth proportional to 4,312.84, 5,953.68 and 2,820.84 is: 3,894.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,312.84 : 5,953.68 = 2,820.84 : x
  2. Step 2: Convert to fraction form
    4,312.84/5,953.68 = 2,820.84/x
  3. Step 3: Cross multiply
    4,312.84x = 5,953.68 × 2,820.84
  4. Step 4: Simplify right side
    4,312.84x = 16,794,378.69
  5. Step 5: Solve for x
    x = 16,794,378.69/4,312.84
  6. Step 6: Final answer
    x = 3,894.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.