Home / 2,899.13-4,336.34-1,785.78

Finding the Fourth Proportional to 2,899.13, 4,336.34 and 1,785.78

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Solution

The fourth proportional to 2,899.13, 4,336.34 and 1,785.78 is: 2,671.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,899.13 : 4,336.34 = 1,785.78 : x
  2. Step 2: Convert to fraction form
    2,899.13/4,336.34 = 1,785.78/x
  3. Step 3: Cross multiply
    2,899.13x = 4,336.34 × 1,785.78
  4. Step 4: Simplify right side
    2,899.13x = 7,743,740.32
  5. Step 5: Solve for x
    x = 7,743,740.32/2,899.13
  6. Step 6: Final answer
    x = 2,671.06

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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.