Home / 4,043.80-6,072.90-2,949.40

Finding the Fourth Proportional to 4,043.80, 6,072.90 and 2,949.40

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Solution

The fourth proportional to 4,043.80, 6,072.90 and 2,949.40 is: 4,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,043.80 : 6,072.90 = 2,949.40 : x
  2. Step 2: Convert to fraction form
    4,043.80/6,072.90 = 2,949.40/x
  3. Step 3: Cross multiply
    4,043.80x = 6,072.90 × 2,949.40
  4. Step 4: Simplify right side
    4,043.80x = 17,911,411.26
  5. Step 5: Solve for x
    x = 17,911,411.26/4,043.80
  6. Step 6: Final answer
    x = 4,429.35

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1.5x scale

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.