Home / 2,894.40-4,340.12-946.35

Finding the Fourth Proportional to 2,894.40, 4,340.12 and 946.35

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Solution

The fourth proportional to 2,894.40, 4,340.12 and 946.35 is: 1,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,894.40 : 4,340.12 = 946.35 : x
  2. Step 2: Convert to fraction form
    2,894.40/4,340.12 = 946.35/x
  3. Step 3: Cross multiply
    2,894.40x = 4,340.12 × 946.35
  4. Step 4: Simplify right side
    2,894.40x = 4,107,267.83
  5. Step 5: Solve for x
    x = 4,107,267.83/2,894.40
  6. Step 6: Final answer
    x = 1,419.04

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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.