Home / 2,977.16-4,468.01-1,247.00

Finding the Fourth Proportional to 2,977.16, 4,468.01 and 1,247.00

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Solution

The fourth proportional to 2,977.16, 4,468.01 and 1,247.00 is: 1,871.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,977.16 : 4,468.01 = 1,247.00 : x
  2. Step 2: Convert to fraction form
    2,977.16/4,468.01 = 1,247.00/x
  3. Step 3: Cross multiply
    2,977.16x = 4,468.01 × 1,247.00
  4. Step 4: Simplify right side
    2,977.16x = 5,571,589.25
  5. Step 5: Solve for x
    x = 5,571,589.25/2,977.16
  6. Step 6: Final answer
    x = 1,871.45

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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.