Home / 2,951.13-4,072.56-1,624.80

Finding the Fourth Proportional to 2,951.13, 4,072.56 and 1,624.80

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Solution

The fourth proportional to 2,951.13, 4,072.56 and 1,624.80 is: 2,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,951.13 : 4,072.56 = 1,624.80 : x
  2. Step 2: Convert to fraction form
    2,951.13/4,072.56 = 1,624.80/x
  3. Step 3: Cross multiply
    2,951.13x = 4,072.56 × 1,624.80
  4. Step 4: Simplify right side
    2,951.13x = 6,617,095.49
  5. Step 5: Solve for x
    x = 6,617,095.49/2,951.13
  6. Step 6: Final answer
    x = 2,242.22

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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.