Home / 2,952.69-4,077.33-2,205.36

Finding the Fourth Proportional to 2,952.69, 4,077.33 and 2,205.36

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Solution

The fourth proportional to 2,952.69, 4,077.33 and 2,205.36 is: 3,045.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,952.69 : 4,077.33 = 2,205.36 : x
  2. Step 2: Convert to fraction form
    2,952.69/4,077.33 = 2,205.36/x
  3. Step 3: Cross multiply
    2,952.69x = 4,077.33 × 2,205.36
  4. Step 4: Simplify right side
    2,952.69x = 8,991,980.49
  5. Step 5: Solve for x
    x = 8,991,980.49/2,952.69
  6. Step 6: Final answer
    x = 3,045.35

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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.