Home / 2,491.00-3,438.44-1,547.51

Finding the Fourth Proportional to 2,491.00, 3,438.44 and 1,547.51

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Solution

The fourth proportional to 2,491.00, 3,438.44 and 1,547.51 is: 2,136.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,491.00 : 3,438.44 = 1,547.51 : x
  2. Step 2: Convert to fraction form
    2,491.00/3,438.44 = 1,547.51/x
  3. Step 3: Cross multiply
    2,491.00x = 3,438.44 × 1,547.51
  4. Step 4: Simplify right side
    2,491.00x = 5,321,032.75
  5. Step 5: Solve for x
    x = 5,321,032.75/2,491.00
  6. Step 6: Final answer
    x = 2,136.11

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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.