Home / 3,312.19-4,969.65-1,751.78

Finding the Fourth Proportional to 3,312.19, 4,969.65 and 1,751.78

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Solution

The fourth proportional to 3,312.19, 4,969.65 and 1,751.78 is: 2,628.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,312.19 : 4,969.65 = 1,751.78 : x
  2. Step 2: Convert to fraction form
    3,312.19/4,969.65 = 1,751.78/x
  3. Step 3: Cross multiply
    3,312.19x = 4,969.65 × 1,751.78
  4. Step 4: Simplify right side
    3,312.19x = 8,705,709.74
  5. Step 5: Solve for x
    x = 8,705,709.74/3,312.19
  6. Step 6: Final answer
    x = 2,628.38

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1.5x scale

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.