Home / 2,981.03-4,113.76-1,654.70

Finding the Fourth Proportional to 2,981.03, 4,113.76 and 1,654.70

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Solution

The fourth proportional to 2,981.03, 4,113.76 and 1,654.70 is: 2,283.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.03 : 4,113.76 = 1,654.70 : x
  2. Step 2: Convert to fraction form
    2,981.03/4,113.76 = 1,654.70/x
  3. Step 3: Cross multiply
    2,981.03x = 4,113.76 × 1,654.70
  4. Step 4: Simplify right side
    2,981.03x = 6,807,038.67
  5. Step 5: Solve for x
    x = 6,807,038.67/2,981.03
  6. Step 6: Final answer
    x = 2,283.45

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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.