Home / 1,789.51-2,682.90-556.19

Finding the Fourth Proportional to 1,789.51, 2,682.90 and 556.19

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Solution

The fourth proportional to 1,789.51, 2,682.90 and 556.19 is: 833.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,789.51 : 2,682.90 = 556.19 : x
  2. Step 2: Convert to fraction form
    1,789.51/2,682.90 = 556.19/x
  3. Step 3: Cross multiply
    1,789.51x = 2,682.90 × 556.19
  4. Step 4: Simplify right side
    1,789.51x = 1,492,202.15
  5. Step 5: Solve for x
    x = 1,492,202.15/1,789.51
  6. Step 6: Final answer
    x = 833.86

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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.