Home / 2,569.60-3,545.39-1,574.51

Finding the Fourth Proportional to 2,569.60, 3,545.39 and 1,574.51

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Solution

The fourth proportional to 2,569.60, 3,545.39 and 1,574.51 is: 2,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.60 : 3,545.39 = 1,574.51 : x
  2. Step 2: Convert to fraction form
    2,569.60/3,545.39 = 1,574.51/x
  3. Step 3: Cross multiply
    2,569.60x = 3,545.39 × 1,574.51
  4. Step 4: Simplify right side
    2,569.60x = 5,582,252.01
  5. Step 5: Solve for x
    x = 5,582,252.01/2,569.60
  6. Step 6: Final answer
    x = 2,172.42

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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.