Home / 2,949.40-4,070.17-1,623.15

Finding the Fourth Proportional to 2,949.40, 4,070.17 and 1,623.15

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Solution

The fourth proportional to 2,949.40, 4,070.17 and 1,623.15 is: 2,239.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.40 : 4,070.17 = 1,623.15 : x
  2. Step 2: Convert to fraction form
    2,949.40/4,070.17 = 1,623.15/x
  3. Step 3: Cross multiply
    2,949.40x = 4,070.17 × 1,623.15
  4. Step 4: Simplify right side
    2,949.40x = 6,606,498.46
  5. Step 5: Solve for x
    x = 6,606,498.46/2,949.40
  6. Step 6: Final answer
    x = 2,239.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.