Home / 1,730.22-2,595.32-431.69

Finding the Fourth Proportional to 1,730.22, 2,595.32 and 431.69

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Solution

The fourth proportional to 1,730.22, 2,595.32 and 431.69 is: 647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.22 : 2,595.32 = 431.69 : x
  2. Step 2: Convert to fraction form
    1,730.22/2,595.32 = 431.69/x
  3. Step 3: Cross multiply
    1,730.22x = 2,595.32 × 431.69
  4. Step 4: Simplify right side
    1,730.22x = 1,120,373.69
  5. Step 5: Solve for x
    x = 1,120,373.69/1,730.22
  6. Step 6: Final answer
    x = 647.53

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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.