Home / 2,806.04-3,872.36-1,547.13

Finding the Fourth Proportional to 2,806.04, 3,872.36 and 1,547.13

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Solution

The fourth proportional to 2,806.04, 3,872.36 and 1,547.13 is: 2,135.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,806.04 : 3,872.36 = 1,547.13 : x
  2. Step 2: Convert to fraction form
    2,806.04/3,872.36 = 1,547.13/x
  3. Step 3: Cross multiply
    2,806.04x = 3,872.36 × 1,547.13
  4. Step 4: Simplify right side
    2,806.04x = 5,991,051.11
  5. Step 5: Solve for x
    x = 5,991,051.11/2,806.04
  6. Step 6: Final answer
    x = 2,135.06

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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.