Home / 2,547.54-3,820.50-1,085.04

Finding the Fourth Proportional to 2,547.54, 3,820.50 and 1,085.04

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Solution

The fourth proportional to 2,547.54, 3,820.50 and 1,085.04 is: 1,627.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,547.54 : 3,820.50 = 1,085.04 : x
  2. Step 2: Convert to fraction form
    2,547.54/3,820.50 = 1,085.04/x
  3. Step 3: Cross multiply
    2,547.54x = 3,820.50 × 1,085.04
  4. Step 4: Simplify right side
    2,547.54x = 4,145,395.32
  5. Step 5: Solve for x
    x = 4,145,395.32/2,547.54
  6. Step 6: Final answer
    x = 1,627.22

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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.