Home / 1,465.26-2,196.60-945.66

Finding the Fourth Proportional to 1,465.26, 2,196.60 and 945.66

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Solution

The fourth proportional to 1,465.26, 2,196.60 and 945.66 is: 1,417.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.26 : 2,196.60 = 945.66 : x
  2. Step 2: Convert to fraction form
    1,465.26/2,196.60 = 945.66/x
  3. Step 3: Cross multiply
    1,465.26x = 2,196.60 × 945.66
  4. Step 4: Simplify right side
    1,465.26x = 2,077,236.76
  5. Step 5: Solve for x
    x = 2,077,236.76/1,465.26
  6. Step 6: Final answer
    x = 1,417.66

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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.