Home / 2,989.29-4,125.16-1,663.01

Finding the Fourth Proportional to 2,989.29, 4,125.16 and 1,663.01

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Solution

The fourth proportional to 2,989.29, 4,125.16 and 1,663.01 is: 2,294.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,989.29 : 4,125.16 = 1,663.01 : x
  2. Step 2: Convert to fraction form
    2,989.29/4,125.16 = 1,663.01/x
  3. Step 3: Cross multiply
    2,989.29x = 4,125.16 × 1,663.01
  4. Step 4: Simplify right side
    2,989.29x = 6,860,182.33
  5. Step 5: Solve for x
    x = 6,860,182.33/2,989.29
  6. Step 6: Final answer
    x = 2,294.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.