Home / 1,094.20-1,643.73-948.40

Finding the Fourth Proportional to 1,094.20, 1,643.73 and 948.40

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Solution

The fourth proportional to 1,094.20, 1,643.73 and 948.40 is: 1,424.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094.20 : 1,643.73 = 948.40 : x
  2. Step 2: Convert to fraction form
    1,094.20/1,643.73 = 948.40/x
  3. Step 3: Cross multiply
    1,094.20x = 1,643.73 × 948.40
  4. Step 4: Simplify right side
    1,094.20x = 1,558,913.53
  5. Step 5: Solve for x
    x = 1,558,913.53/1,094.20
  6. Step 6: Final answer
    x = 1,424.71

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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.