Home / 1,862.43-2,570.13-1,076.46

Finding the Fourth Proportional to 1,862.43, 2,570.13 and 1,076.46

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Solution

The fourth proportional to 1,862.43, 2,570.13 and 1,076.46 is: 1,485.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.43 : 2,570.13 = 1,076.46 : x
  2. Step 2: Convert to fraction form
    1,862.43/2,570.13 = 1,076.46/x
  3. Step 3: Cross multiply
    1,862.43x = 2,570.13 × 1,076.46
  4. Step 4: Simplify right side
    1,862.43x = 2,766,642.14
  5. Step 5: Solve for x
    x = 2,766,642.14/1,862.43
  6. Step 6: Final answer
    x = 1,485.50

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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.