Home / 2,842.69-4,263.57-2,018.47

Finding the Fourth Proportional to 2,842.69, 4,263.57 and 2,018.47

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Solution

The fourth proportional to 2,842.69, 4,263.57 and 2,018.47 is: 3,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,842.69 : 4,263.57 = 2,018.47 : x
  2. Step 2: Convert to fraction form
    2,842.69/4,263.57 = 2,018.47/x
  3. Step 3: Cross multiply
    2,842.69x = 4,263.57 × 2,018.47
  4. Step 4: Simplify right side
    2,842.69x = 8,605,877.48
  5. Step 5: Solve for x
    x = 8,605,877.48/2,842.69
  6. Step 6: Final answer
    x = 3,027.37

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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.