Home / 2,547.36-3,812.31-1,768.25

Finding the Fourth Proportional to 2,547.36, 3,812.31 and 1,768.25

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Solution

The fourth proportional to 2,547.36, 3,812.31 and 1,768.25 is: 2,646.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.36 : 3,812.31 = 1,768.25 : x
  2. Step 2: Convert to fraction form
    2,547.36/3,812.31 = 1,768.25/x
  3. Step 3: Cross multiply
    2,547.36x = 3,812.31 × 1,768.25
  4. Step 4: Simplify right side
    2,547.36x = 6,741,098.10
  5. Step 5: Solve for x
    x = 6,741,098.10/2,547.36
  6. Step 6: Final answer
    x = 2,646.31

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1.5x scale

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.