Home / 2,818.51-4,221.59-1,429.46

Finding the Fourth Proportional to 2,818.51, 4,221.59 and 1,429.46

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Solution

The fourth proportional to 2,818.51, 4,221.59 and 1,429.46 is: 2,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.51 : 4,221.59 = 1,429.46 : x
  2. Step 2: Convert to fraction form
    2,818.51/4,221.59 = 1,429.46/x
  3. Step 3: Cross multiply
    2,818.51x = 4,221.59 × 1,429.46
  4. Step 4: Simplify right side
    2,818.51x = 6,034,594.04
  5. Step 5: Solve for x
    x = 6,034,594.04/2,818.51
  6. Step 6: Final answer
    x = 2,141.06

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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.