Home / 1,547.17-2,135.09-848.54

Finding the Fourth Proportional to 1,547.17, 2,135.09 and 848.54

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Solution

The fourth proportional to 1,547.17, 2,135.09 and 848.54 is: 1,170.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.17 : 2,135.09 = 848.54 : x
  2. Step 2: Convert to fraction form
    1,547.17/2,135.09 = 848.54/x
  3. Step 3: Cross multiply
    1,547.17x = 2,135.09 × 848.54
  4. Step 4: Simplify right side
    1,547.17x = 1,811,716.73
  5. Step 5: Solve for x
    x = 1,811,716.73/1,547.17
  6. Step 6: Final answer
    x = 1,170.99

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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.