Home / 1,798.16-2,693.40-1,147.28

Finding the Fourth Proportional to 1,798.16, 2,693.40 and 1,147.28

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Solution

The fourth proportional to 1,798.16, 2,693.40 and 1,147.28 is: 1,718.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,798.16 : 2,693.40 = 1,147.28 : x
  2. Step 2: Convert to fraction form
    1,798.16/2,693.40 = 1,147.28/x
  3. Step 3: Cross multiply
    1,798.16x = 2,693.40 × 1,147.28
  4. Step 4: Simplify right side
    1,798.16x = 3,090,083.95
  5. Step 5: Solve for x
    x = 3,090,083.95/1,798.16
  6. Step 6: Final answer
    x = 1,718.47

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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.