Home / 2,895.05-3,995.16-1,568.76

Finding the Fourth Proportional to 2,895.05, 3,995.16 and 1,568.76

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Solution

The fourth proportional to 2,895.05, 3,995.16 and 1,568.76 is: 2,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.05 : 3,995.16 = 1,568.76 : x
  2. Step 2: Convert to fraction form
    2,895.05/3,995.16 = 1,568.76/x
  3. Step 3: Cross multiply
    2,895.05x = 3,995.16 × 1,568.76
  4. Step 4: Simplify right side
    2,895.05x = 6,267,426.34
  5. Step 5: Solve for x
    x = 6,267,426.34/2,895.05
  6. Step 6: Final answer
    x = 2,164.87

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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.