Home / 2,763.45-3,812.63-1,700.12

Finding the Fourth Proportional to 2,763.45, 3,812.63 and 1,700.12

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Solution

The fourth proportional to 2,763.45, 3,812.63 and 1,700.12 is: 2,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,763.45 : 3,812.63 = 1,700.12 : x
  2. Step 2: Convert to fraction form
    2,763.45/3,812.63 = 1,700.12/x
  3. Step 3: Cross multiply
    2,763.45x = 3,812.63 × 1,700.12
  4. Step 4: Simplify right side
    2,763.45x = 6,481,929.55
  5. Step 5: Solve for x
    x = 6,481,929.55/2,763.45
  6. Step 6: Final answer
    x = 2,345.59

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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.