Home / 2,762.28-3,812.10-1,830.12

Finding the Fourth Proportional to 2,762.28, 3,812.10 and 1,830.12

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Solution

The fourth proportional to 2,762.28, 3,812.10 and 1,830.12 is: 2,525.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,762.28 : 3,812.10 = 1,830.12 : x
  2. Step 2: Convert to fraction form
    2,762.28/3,812.10 = 1,830.12/x
  3. Step 3: Cross multiply
    2,762.28x = 3,812.10 × 1,830.12
  4. Step 4: Simplify right side
    2,762.28x = 6,976,600.45
  5. Step 5: Solve for x
    x = 6,976,600.45/2,762.28
  6. Step 6: Final answer
    x = 2,525.67

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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.