Home / 2,277.90-3,146.67-2,159.64

Finding the Fourth Proportional to 2,277.90, 3,146.67 and 2,159.64

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Solution

The fourth proportional to 2,277.90, 3,146.67 and 2,159.64 is: 2,983.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,277.90 : 3,146.67 = 2,159.64 : x
  2. Step 2: Convert to fraction form
    2,277.90/3,146.67 = 2,159.64/x
  3. Step 3: Cross multiply
    2,277.90x = 3,146.67 × 2,159.64
  4. Step 4: Simplify right side
    2,277.90x = 6,795,674.40
  5. Step 5: Solve for x
    x = 6,795,674.40/2,277.90
  6. Step 6: Final answer
    x = 2,983.31

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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.