Home / 2,929.95-4,043.70-1,670.94

Finding the Fourth Proportional to 2,929.95, 4,043.70 and 1,670.94

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Solution

The fourth proportional to 2,929.95, 4,043.70 and 1,670.94 is: 2,306.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,929.95 : 4,043.70 = 1,670.94 : x
  2. Step 2: Convert to fraction form
    2,929.95/4,043.70 = 1,670.94/x
  3. Step 3: Cross multiply
    2,929.95x = 4,043.70 × 1,670.94
  4. Step 4: Simplify right side
    2,929.95x = 6,756,780.08
  5. Step 5: Solve for x
    x = 6,756,780.08/2,929.95
  6. Step 6: Final answer
    x = 2,306.11

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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.