Home / 2,995.29-4,133.57-1,669.12

Finding the Fourth Proportional to 2,995.29, 4,133.57 and 1,669.12

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Solution

The fourth proportional to 2,995.29, 4,133.57 and 1,669.12 is: 2,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,995.29 : 4,133.57 = 1,669.12 : x
  2. Step 2: Convert to fraction form
    2,995.29/4,133.57 = 1,669.12/x
  3. Step 3: Cross multiply
    2,995.29x = 4,133.57 × 1,669.12
  4. Step 4: Simplify right side
    2,995.29x = 6,899,405.68
  5. Step 5: Solve for x
    x = 6,899,405.68/2,995.29
  6. Step 6: Final answer
    x = 2,303.42

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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.