Home / 2,959.88-4,439.78-1,712.35

Finding the Fourth Proportional to 2,959.88, 4,439.78 and 1,712.35

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Solution

The fourth proportional to 2,959.88, 4,439.78 and 1,712.35 is: 2,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,959.88 : 4,439.78 = 1,712.35 : x
  2. Step 2: Convert to fraction form
    2,959.88/4,439.78 = 1,712.35/x
  3. Step 3: Cross multiply
    2,959.88x = 4,439.78 × 1,712.35
  4. Step 4: Simplify right side
    2,959.88x = 7,602,450.46
  5. Step 5: Solve for x
    x = 7,602,450.46/2,959.88
  6. Step 6: Final answer
    x = 2,568.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.