Home / 1,784.10-2,675.64-550.86

Finding the Fourth Proportional to 1,784.10, 2,675.64 and 550.86

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Solution

The fourth proportional to 1,784.10, 2,675.64 and 550.86 is: 826.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784.10 : 2,675.64 = 550.86 : x
  2. Step 2: Convert to fraction form
    1,784.10/2,675.64 = 550.86/x
  3. Step 3: Cross multiply
    1,784.10x = 2,675.64 × 550.86
  4. Step 4: Simplify right side
    1,784.10x = 1,473,903.05
  5. Step 5: Solve for x
    x = 1,473,903.05/1,784.10
  6. Step 6: Final answer
    x = 826.13

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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.