Home / 2,076.17-3,109.12-1,547.81

Finding the Fourth Proportional to 2,076.17, 3,109.12 and 1,547.81

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Solution

The fourth proportional to 2,076.17, 3,109.12 and 1,547.81 is: 2,317.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,076.17 : 3,109.12 = 1,547.81 : x
  2. Step 2: Convert to fraction form
    2,076.17/3,109.12 = 1,547.81/x
  3. Step 3: Cross multiply
    2,076.17x = 3,109.12 × 1,547.81
  4. Step 4: Simplify right side
    2,076.17x = 4,812,325.08
  5. Step 5: Solve for x
    x = 4,812,325.08/2,076.17
  6. Step 6: Final answer
    x = 2,317.89

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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.