Home / 2,726.10-3,762-1,547.19

Finding the Fourth Proportional to 2,726.10, 3,762 and 1,547.19

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Solution

The fourth proportional to 2,726.10, 3,762 and 1,547.19 is: 2,135.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,726.10 : 3,762 = 1,547.19 : x
  2. Step 2: Convert to fraction form
    2,726.10/3,762 = 1,547.19/x
  3. Step 3: Cross multiply
    2,726.10x = 3,762 × 1,547.19
  4. Step 4: Simplify right side
    2,726.10x = 5,820,528.78
  5. Step 5: Solve for x
    x = 5,820,528.78/2,726.10
  6. Step 6: Final answer
    x = 2,135.11

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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.