Home / 2,810.19-3,877.83-1,614.79

Finding the Fourth Proportional to 2,810.19, 3,877.83 and 1,614.79

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Solution

The fourth proportional to 2,810.19, 3,877.83 and 1,614.79 is: 2,228.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.19 : 3,877.83 = 1,614.79 : x
  2. Step 2: Convert to fraction form
    2,810.19/3,877.83 = 1,614.79/x
  3. Step 3: Cross multiply
    2,810.19x = 3,877.83 × 1,614.79
  4. Step 4: Simplify right side
    2,810.19x = 6,261,881.11
  5. Step 5: Solve for x
    x = 6,261,881.11/2,810.19
  6. Step 6: Final answer
    x = 2,228.28

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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.