Home / 2,547.27-3,820.91-816.03

Finding the Fourth Proportional to 2,547.27, 3,820.91 and 816.03

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Solution

The fourth proportional to 2,547.27, 3,820.91 and 816.03 is: 1,224.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.27 : 3,820.91 = 816.03 : x
  2. Step 2: Convert to fraction form
    2,547.27/3,820.91 = 816.03/x
  3. Step 3: Cross multiply
    2,547.27x = 3,820.91 × 816.03
  4. Step 4: Simplify right side
    2,547.27x = 3,117,973.11
  5. Step 5: Solve for x
    x = 3,117,973.11/2,547.27
  6. Step 6: Final answer
    x = 1,224.05

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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.