Home / 1,610.18-2,415.88-570.29

Finding the Fourth Proportional to 1,610.18, 2,415.88 and 570.29

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Solution

The fourth proportional to 1,610.18, 2,415.88 and 570.29 is: 855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,610.18 : 2,415.88 = 570.29 : x
  2. Step 2: Convert to fraction form
    1,610.18/2,415.88 = 570.29/x
  3. Step 3: Cross multiply
    1,610.18x = 2,415.88 × 570.29
  4. Step 4: Simplify right side
    1,610.18x = 1,377,751.22
  5. Step 5: Solve for x
    x = 1,377,751.22/1,610.18
  6. Step 6: Final answer
    x = 855.65

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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.