Home / 2,949.55-4,070.45-1,623.28

Finding the Fourth Proportional to 2,949.55, 4,070.45 and 1,623.28

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Solution

The fourth proportional to 2,949.55, 4,070.45 and 1,623.28 is: 2,240.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.55 : 4,070.45 = 1,623.28 : x
  2. Step 2: Convert to fraction form
    2,949.55/4,070.45 = 1,623.28/x
  3. Step 3: Cross multiply
    2,949.55x = 4,070.45 × 1,623.28
  4. Step 4: Simplify right side
    2,949.55x = 6,607,471.96
  5. Step 5: Solve for x
    x = 6,607,471.96/2,949.55
  6. Step 6: Final answer
    x = 2,240.16

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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.