Home / 2,427.45-3,351.47-1,866.89

Finding the Fourth Proportional to 2,427.45, 3,351.47 and 1,866.89

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Solution

The fourth proportional to 2,427.45, 3,351.47 and 1,866.89 is: 2,577.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,427.45 : 3,351.47 = 1,866.89 : x
  2. Step 2: Convert to fraction form
    2,427.45/3,351.47 = 1,866.89/x
  3. Step 3: Cross multiply
    2,427.45x = 3,351.47 × 1,866.89
  4. Step 4: Simplify right side
    2,427.45x = 6,256,799.74
  5. Step 5: Solve for x
    x = 6,256,799.74/2,427.45
  6. Step 6: Final answer
    x = 2,577.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.