Home / 2,955.45-4,424.97-1,490.16

Finding the Fourth Proportional to 2,955.45, 4,424.97 and 1,490.16

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Solution

The fourth proportional to 2,955.45, 4,424.97 and 1,490.16 is: 2,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,955.45 : 4,424.97 = 1,490.16 : x
  2. Step 2: Convert to fraction form
    2,955.45/4,424.97 = 1,490.16/x
  3. Step 3: Cross multiply
    2,955.45x = 4,424.97 × 1,490.16
  4. Step 4: Simplify right side
    2,955.45x = 6,593,913.30
  5. Step 5: Solve for x
    x = 6,593,913.30/2,955.45
  6. Step 6: Final answer
    x = 2,231.10

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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.