Home / 2,568.98-3,545.21-1,506.51

Finding the Fourth Proportional to 2,568.98, 3,545.21 and 1,506.51

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Solution

The fourth proportional to 2,568.98, 3,545.21 and 1,506.51 is: 2,078.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,568.98 : 3,545.21 = 1,506.51 : x
  2. Step 2: Convert to fraction form
    2,568.98/3,545.21 = 1,506.51/x
  3. Step 3: Cross multiply
    2,568.98x = 3,545.21 × 1,506.51
  4. Step 4: Simplify right side
    2,568.98x = 5,340,898.08
  5. Step 5: Solve for x
    x = 5,340,898.08/2,568.98
  6. Step 6: Final answer
    x = 2,078.99

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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.