Home / 2,977.82-4,466.73-1,247.66

Finding the Fourth Proportional to 2,977.82, 4,466.73 and 1,247.66

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Solution

The fourth proportional to 2,977.82, 4,466.73 and 1,247.66 is: 1,871.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.82 : 4,466.73 = 1,247.66 : x
  2. Step 2: Convert to fraction form
    2,977.82/4,466.73 = 1,247.66/x
  3. Step 3: Cross multiply
    2,977.82x = 4,466.73 × 1,247.66
  4. Step 4: Simplify right side
    2,977.82x = 5,572,960.35
  5. Step 5: Solve for x
    x = 5,572,960.35/2,977.82
  6. Step 6: Final answer
    x = 1,871.49

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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.