Home / 2,858.48-4,284.81-1,934.13

Finding the Fourth Proportional to 2,858.48, 4,284.81 and 1,934.13

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Solution

The fourth proportional to 2,858.48, 4,284.81 and 1,934.13 is: 2,899.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.48 : 4,284.81 = 1,934.13 : x
  2. Step 2: Convert to fraction form
    2,858.48/4,284.81 = 1,934.13/x
  3. Step 3: Cross multiply
    2,858.48x = 4,284.81 × 1,934.13
  4. Step 4: Simplify right side
    2,858.48x = 8,287,374.25
  5. Step 5: Solve for x
    x = 8,287,374.25/2,858.48
  6. Step 6: Final answer
    x = 2,899.23

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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.