Home / 1,409.54-2,104.95-1,394.29

Finding the Fourth Proportional to 1,409.54, 2,104.95 and 1,394.29

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Solution

The fourth proportional to 1,409.54, 2,104.95 and 1,394.29 is: 2,082.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409.54 : 2,104.95 = 1,394.29 : x
  2. Step 2: Convert to fraction form
    1,409.54/2,104.95 = 1,394.29/x
  3. Step 3: Cross multiply
    1,409.54x = 2,104.95 × 1,394.29
  4. Step 4: Simplify right side
    1,409.54x = 2,934,893.24
  5. Step 5: Solve for x
    x = 2,934,893.24/1,409.54
  6. Step 6: Final answer
    x = 2,082.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.