Home / 2,547.09-3,515.73-1,663.02

Finding the Fourth Proportional to 2,547.09, 3,515.73 and 1,663.02

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Solution

The fourth proportional to 2,547.09, 3,515.73 and 1,663.02 is: 2,295.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.09 : 3,515.73 = 1,663.02 : x
  2. Step 2: Convert to fraction form
    2,547.09/3,515.73 = 1,663.02/x
  3. Step 3: Cross multiply
    2,547.09x = 3,515.73 × 1,663.02
  4. Step 4: Simplify right side
    2,547.09x = 5,846,736.25
  5. Step 5: Solve for x
    x = 5,846,736.25/2,547.09
  6. Step 6: Final answer
    x = 2,295.46

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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.