Home / 2,902.92-4,352.55-1,914.68

Finding the Fourth Proportional to 2,902.92, 4,352.55 and 1,914.68

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Solution

The fourth proportional to 2,902.92, 4,352.55 and 1,914.68 is: 2,870.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.92 : 4,352.55 = 1,914.68 : x
  2. Step 2: Convert to fraction form
    2,902.92/4,352.55 = 1,914.68/x
  3. Step 3: Cross multiply
    2,902.92x = 4,352.55 × 1,914.68
  4. Step 4: Simplify right side
    2,902.92x = 8,333,718.67
  5. Step 5: Solve for x
    x = 8,333,718.67/2,902.92
  6. Step 6: Final answer
    x = 2,870.81

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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.