Home / 2,895.43-3,995.68-1,569.17

Finding the Fourth Proportional to 2,895.43, 3,995.68 and 1,569.17

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Solution

The fourth proportional to 2,895.43, 3,995.68 and 1,569.17 is: 2,165.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.43 : 3,995.68 = 1,569.17 : x
  2. Step 2: Convert to fraction form
    2,895.43/3,995.68 = 1,569.17/x
  3. Step 3: Cross multiply
    2,895.43x = 3,995.68 × 1,569.17
  4. Step 4: Simplify right side
    2,895.43x = 6,269,901.19
  5. Step 5: Solve for x
    x = 6,269,901.19/2,895.43
  6. Step 6: Final answer
    x = 2,165.45

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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.