Home / 2,946.18-4,419.80-1,302.78

Finding the Fourth Proportional to 2,946.18, 4,419.80 and 1,302.78

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Solution

The fourth proportional to 2,946.18, 4,419.80 and 1,302.78 is: 1,954.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,946.18 : 4,419.80 = 1,302.78 : x
  2. Step 2: Convert to fraction form
    2,946.18/4,419.80 = 1,302.78/x
  3. Step 3: Cross multiply
    2,946.18x = 4,419.80 × 1,302.78
  4. Step 4: Simplify right side
    2,946.18x = 5,758,027.04
  5. Step 5: Solve for x
    x = 5,758,027.04/2,946.18
  6. Step 6: Final answer
    x = 1,954.40

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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.