Home / 2,900.90-4,349.99-1,258.83

Finding the Fourth Proportional to 2,900.90, 4,349.99 and 1,258.83

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Solution

The fourth proportional to 2,900.90, 4,349.99 and 1,258.83 is: 1,887.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.90 : 4,349.99 = 1,258.83 : x
  2. Step 2: Convert to fraction form
    2,900.90/4,349.99 = 1,258.83/x
  3. Step 3: Cross multiply
    2,900.90x = 4,349.99 × 1,258.83
  4. Step 4: Simplify right side
    2,900.90x = 5,475,891.62
  5. Step 5: Solve for x
    x = 5,475,891.62/2,900.90
  6. Step 6: Final answer
    x = 1,887.66

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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.