Home / 2,858.70-4,293.33-1,711.50

Finding the Fourth Proportional to 2,858.70, 4,293.33 and 1,711.50

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Solution

The fourth proportional to 2,858.70, 4,293.33 and 1,711.50 is: 2,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.70 : 4,293.33 = 1,711.50 : x
  2. Step 2: Convert to fraction form
    2,858.70/4,293.33 = 1,711.50/x
  3. Step 3: Cross multiply
    2,858.70x = 4,293.33 × 1,711.50
  4. Step 4: Simplify right side
    2,858.70x = 7,348,034.30
  5. Step 5: Solve for x
    x = 7,348,034.30/2,858.70
  6. Step 6: Final answer
    x = 2,570.41

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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.