Home / 1,620.13-2,431.29-594.13

Finding the Fourth Proportional to 1,620.13, 2,431.29 and 594.13

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Solution

The fourth proportional to 1,620.13, 2,431.29 and 594.13 is: 891.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620.13 : 2,431.29 = 594.13 : x
  2. Step 2: Convert to fraction form
    1,620.13/2,431.29 = 594.13/x
  3. Step 3: Cross multiply
    1,620.13x = 2,431.29 × 594.13
  4. Step 4: Simplify right side
    1,620.13x = 1,444,502.33
  5. Step 5: Solve for x
    x = 1,444,502.33/1,620.13
  6. Step 6: Final answer
    x = 891.60

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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.