Home / 2,312.94-3,468.57-669.05

Finding the Fourth Proportional to 2,312.94, 3,468.57 and 669.05

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Solution

The fourth proportional to 2,312.94, 3,468.57 and 669.05 is: 1,003.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,312.94 : 3,468.57 = 669.05 : x
  2. Step 2: Convert to fraction form
    2,312.94/3,468.57 = 669.05/x
  3. Step 3: Cross multiply
    2,312.94x = 3,468.57 × 669.05
  4. Step 4: Simplify right side
    2,312.94x = 2,320,646.76
  5. Step 5: Solve for x
    x = 2,320,646.76/2,312.94
  6. Step 6: Final answer
    x = 1,003.33

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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.