Home / 1,872.29-2,582.93-1,125.81

Finding the Fourth Proportional to 1,872.29, 2,582.93 and 1,125.81

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Solution

The fourth proportional to 1,872.29, 2,582.93 and 1,125.81 is: 1,553.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.29 : 2,582.93 = 1,125.81 : x
  2. Step 2: Convert to fraction form
    1,872.29/2,582.93 = 1,125.81/x
  3. Step 3: Cross multiply
    1,872.29x = 2,582.93 × 1,125.81
  4. Step 4: Simplify right side
    1,872.29x = 2,907,888.42
  5. Step 5: Solve for x
    x = 2,907,888.42/1,872.29
  6. Step 6: Final answer
    x = 1,553.12

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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.