Home / 1,465.08-2,194.12-847.48

Finding the Fourth Proportional to 1,465.08, 2,194.12 and 847.48

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Solution

The fourth proportional to 1,465.08, 2,194.12 and 847.48 is: 1,269.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.08 : 2,194.12 = 847.48 : x
  2. Step 2: Convert to fraction form
    1,465.08/2,194.12 = 847.48/x
  3. Step 3: Cross multiply
    1,465.08x = 2,194.12 × 847.48
  4. Step 4: Simplify right side
    1,465.08x = 1,859,472.82
  5. Step 5: Solve for x
    x = 1,859,472.82/1,465.08
  6. Step 6: Final answer
    x = 1,269.20

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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.