Home / 3,072.16-4,237.96-2,077.77

Finding the Fourth Proportional to 3,072.16, 4,237.96 and 2,077.77

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Solution

The fourth proportional to 3,072.16, 4,237.96 and 2,077.77 is: 2,866.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.16 : 4,237.96 = 2,077.77 : x
  2. Step 2: Convert to fraction form
    3,072.16/4,237.96 = 2,077.77/x
  3. Step 3: Cross multiply
    3,072.16x = 4,237.96 × 2,077.77
  4. Step 4: Simplify right side
    3,072.16x = 8,805,490.36
  5. Step 5: Solve for x
    x = 8,805,490.36/3,072.16
  6. Step 6: Final answer
    x = 2,866.23

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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.