Home / 2,902.68-4,346.30-1,980.06

Finding the Fourth Proportional to 2,902.68, 4,346.30 and 1,980.06

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Solution

The fourth proportional to 2,902.68, 4,346.30 and 1,980.06 is: 2,964.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,902.68 : 4,346.30 = 1,980.06 : x
  2. Step 2: Convert to fraction form
    2,902.68/4,346.30 = 1,980.06/x
  3. Step 3: Cross multiply
    2,902.68x = 4,346.30 × 1,980.06
  4. Step 4: Simplify right side
    2,902.68x = 8,605,924.88
  5. Step 5: Solve for x
    x = 8,605,924.88/2,902.68
  6. Step 6: Final answer
    x = 2,964.82

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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.