Home / 1,595.26-2,390.37-620.83

Finding the Fourth Proportional to 1,595.26, 2,390.37 and 620.83

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Solution

The fourth proportional to 1,595.26, 2,390.37 and 620.83 is: 930.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,595.26 : 2,390.37 = 620.83 : x
  2. Step 2: Convert to fraction form
    1,595.26/2,390.37 = 620.83/x
  3. Step 3: Cross multiply
    1,595.26x = 2,390.37 × 620.83
  4. Step 4: Simplify right side
    1,595.26x = 1,484,013.41
  5. Step 5: Solve for x
    x = 1,484,013.41/1,595.26
  6. Step 6: Final answer
    x = 930.26

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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.