Home / 2,981.10-4,113.60-1,654.77

Finding the Fourth Proportional to 2,981.10, 4,113.60 and 1,654.77

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Solution

The fourth proportional to 2,981.10, 4,113.60 and 1,654.77 is: 2,283.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.10 : 4,113.60 = 1,654.77 : x
  2. Step 2: Convert to fraction form
    2,981.10/4,113.60 = 1,654.77/x
  3. Step 3: Cross multiply
    2,981.10x = 4,113.60 × 1,654.77
  4. Step 4: Simplify right side
    2,981.10x = 6,807,061.87
  5. Step 5: Solve for x
    x = 6,807,061.87/2,981.10
  6. Step 6: Final answer
    x = 2,283.41

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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.