Home / 2,858.31-4,287.48-1,009.46

Finding the Fourth Proportional to 2,858.31, 4,287.48 and 1,009.46

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Solution

The fourth proportional to 2,858.31, 4,287.48 and 1,009.46 is: 1,514.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,858.31 : 4,287.48 = 1,009.46 : x
  2. Step 2: Convert to fraction form
    2,858.31/4,287.48 = 1,009.46/x
  3. Step 3: Cross multiply
    2,858.31x = 4,287.48 × 1,009.46
  4. Step 4: Simplify right side
    2,858.31x = 4,328,018.12
  5. Step 5: Solve for x
    x = 4,328,018.12/2,858.31
  6. Step 6: Final answer
    x = 1,514.19

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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.