Home / 3,019.92-4,529.76-1,730.40

Finding the Fourth Proportional to 3,019.92, 4,529.76 and 1,730.40

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Solution

The fourth proportional to 3,019.92, 4,529.76 and 1,730.40 is: 2,595.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.92 : 4,529.76 = 1,730.40 : x
  2. Step 2: Convert to fraction form
    3,019.92/4,529.76 = 1,730.40/x
  3. Step 3: Cross multiply
    3,019.92x = 4,529.76 × 1,730.40
  4. Step 4: Simplify right side
    3,019.92x = 7,838,296.70
  5. Step 5: Solve for x
    x = 7,838,296.70/3,019.92
  6. Step 6: Final answer
    x = 2,595.53

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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.