Home / 2,858.07-4,287.26-910.13

Finding the Fourth Proportional to 2,858.07, 4,287.26 and 910.13

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Solution

The fourth proportional to 2,858.07, 4,287.26 and 910.13 is: 1,365.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.07 : 4,287.26 = 910.13 : x
  2. Step 2: Convert to fraction form
    2,858.07/4,287.26 = 910.13/x
  3. Step 3: Cross multiply
    2,858.07x = 4,287.26 × 910.13
  4. Step 4: Simplify right side
    2,858.07x = 3,901,944.78
  5. Step 5: Solve for x
    x = 3,901,944.78/2,858.07
  6. Step 6: Final answer
    x = 1,365.24

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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.