Home / 2,845.07-4,264.20-1,858.36

Finding the Fourth Proportional to 2,845.07, 4,264.20 and 1,858.36

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Solution

The fourth proportional to 2,845.07, 4,264.20 and 1,858.36 is: 2,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,845.07 : 4,264.20 = 1,858.36 : x
  2. Step 2: Convert to fraction form
    2,845.07/4,264.20 = 1,858.36/x
  3. Step 3: Cross multiply
    2,845.07x = 4,264.20 × 1,858.36
  4. Step 4: Simplify right side
    2,845.07x = 7,924,418.71
  5. Step 5: Solve for x
    x = 7,924,418.71/2,845.07
  6. Step 6: Final answer
    x = 2,785.32

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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.