Home / 1,862.21-2,569.09-1,233.05

Finding the Fourth Proportional to 1,862.21, 2,569.09 and 1,233.05

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Solution

The fourth proportional to 1,862.21, 2,569.09 and 1,233.05 is: 1,701.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.21 : 2,569.09 = 1,233.05 : x
  2. Step 2: Convert to fraction form
    1,862.21/2,569.09 = 1,233.05/x
  3. Step 3: Cross multiply
    1,862.21x = 2,569.09 × 1,233.05
  4. Step 4: Simplify right side
    1,862.21x = 3,167,816.42
  5. Step 5: Solve for x
    x = 3,167,816.42/1,862.21
  6. Step 6: Final answer
    x = 1,701.11

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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.