Home / 1,851.30-2,551.61-1,675.30

Finding the Fourth Proportional to 1,851.30, 2,551.61 and 1,675.30

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Solution

The fourth proportional to 1,851.30, 2,551.61 and 1,675.30 is: 2,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,851.30 : 2,551.61 = 1,675.30 : x
  2. Step 2: Convert to fraction form
    1,851.30/2,551.61 = 1,675.30/x
  3. Step 3: Cross multiply
    1,851.30x = 2,551.61 × 1,675.30
  4. Step 4: Simplify right side
    1,851.30x = 4,274,712.23
  5. Step 5: Solve for x
    x = 4,274,712.23/1,851.30
  6. Step 6: Final answer
    x = 2,309.03

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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.