Home / 1,435.73-2,153.57-948.66

Finding the Fourth Proportional to 1,435.73, 2,153.57 and 948.66

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Solution

The fourth proportional to 1,435.73, 2,153.57 and 948.66 is: 1,422.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435.73 : 2,153.57 = 948.66 : x
  2. Step 2: Convert to fraction form
    1,435.73/2,153.57 = 948.66/x
  3. Step 3: Cross multiply
    1,435.73x = 2,153.57 × 948.66
  4. Step 4: Simplify right side
    1,435.73x = 2,043,000.97
  5. Step 5: Solve for x
    x = 2,043,000.97/1,435.73
  6. Step 6: Final answer
    x = 1,422.98

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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.