Home / 2,905.38-4,009.50-1,710.43

Finding the Fourth Proportional to 2,905.38, 4,009.50 and 1,710.43

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Solution

The fourth proportional to 2,905.38, 4,009.50 and 1,710.43 is: 2,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.38 : 4,009.50 = 1,710.43 : x
  2. Step 2: Convert to fraction form
    2,905.38/4,009.50 = 1,710.43/x
  3. Step 3: Cross multiply
    2,905.38x = 4,009.50 × 1,710.43
  4. Step 4: Simplify right side
    2,905.38x = 6,857,959.06
  5. Step 5: Solve for x
    x = 6,857,959.06/2,905.38
  6. Step 6: Final answer
    x = 2,360.43

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1.5x scale

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.