Home / 1,698.30-2,545.02-1,265.22

Finding the Fourth Proportional to 1,698.30, 2,545.02 and 1,265.22

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Solution

The fourth proportional to 1,698.30, 2,545.02 and 1,265.22 is: 1,896.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,698.30 : 2,545.02 = 1,265.22 : x
  2. Step 2: Convert to fraction form
    1,698.30/2,545.02 = 1,265.22/x
  3. Step 3: Cross multiply
    1,698.30x = 2,545.02 × 1,265.22
  4. Step 4: Simplify right side
    1,698.30x = 3,220,010.20
  5. Step 5: Solve for x
    x = 3,220,010.20/1,698.30
  6. Step 6: Final answer
    x = 1,896.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.