Home / 2,130.15-3,194.99-570.29

Finding the Fourth Proportional to 2,130.15, 3,194.99 and 570.29

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Solution

The fourth proportional to 2,130.15, 3,194.99 and 570.29 is: 855.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,130.15 : 3,194.99 = 570.29 : x
  2. Step 2: Convert to fraction form
    2,130.15/3,194.99 = 570.29/x
  3. Step 3: Cross multiply
    2,130.15x = 3,194.99 × 570.29
  4. Step 4: Simplify right side
    2,130.15x = 1,822,070.85
  5. Step 5: Solve for x
    x = 1,822,070.85/2,130.15
  6. Step 6: Final answer
    x = 855.37

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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.