Home / 2,900.13-4,350.91-848.13

Finding the Fourth Proportional to 2,900.13, 4,350.91 and 848.13

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Solution

The fourth proportional to 2,900.13, 4,350.91 and 848.13 is: 1,272.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,900.13 : 4,350.91 = 848.13 : x
  2. Step 2: Convert to fraction form
    2,900.13/4,350.91 = 848.13/x
  3. Step 3: Cross multiply
    2,900.13x = 4,350.91 × 848.13
  4. Step 4: Simplify right side
    2,900.13x = 3,690,137.30
  5. Step 5: Solve for x
    x = 3,690,137.30/2,900.13
  6. Step 6: Final answer
    x = 1,272.40

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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.