Home / 3,376.30-4,659.20-1,959.10

Finding the Fourth Proportional to 3,376.30, 4,659.20 and 1,959.10

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Solution

The fourth proportional to 3,376.30, 4,659.20 and 1,959.10 is: 2,703.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.30 : 4,659.20 = 1,959.10 : x
  2. Step 2: Convert to fraction form
    3,376.30/4,659.20 = 1,959.10/x
  3. Step 3: Cross multiply
    3,376.30x = 4,659.20 × 1,959.10
  4. Step 4: Simplify right side
    3,376.30x = 9,127,838.72
  5. Step 5: Solve for x
    x = 9,127,838.72/3,376.30
  6. Step 6: Final answer
    x = 2,703.50

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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.