Home / 2,828.89-3,903.57-1,569.61

Finding the Fourth Proportional to 2,828.89, 3,903.57 and 1,569.61

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Solution

The fourth proportional to 2,828.89, 3,903.57 and 1,569.61 is: 2,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,828.89 : 3,903.57 = 1,569.61 : x
  2. Step 2: Convert to fraction form
    2,828.89/3,903.57 = 1,569.61/x
  3. Step 3: Cross multiply
    2,828.89x = 3,903.57 × 1,569.61
  4. Step 4: Simplify right side
    2,828.89x = 6,127,082.51
  5. Step 5: Solve for x
    x = 6,127,082.51/2,828.89
  6. Step 6: Final answer
    x = 2,165.90

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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.