Home / 1,965.48-2,712.62-1,799.39

Finding the Fourth Proportional to 1,965.48, 2,712.62 and 1,799.39

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Solution

The fourth proportional to 1,965.48, 2,712.62 and 1,799.39 is: 2,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,965.48 : 2,712.62 = 1,799.39 : x
  2. Step 2: Convert to fraction form
    1,965.48/2,712.62 = 1,799.39/x
  3. Step 3: Cross multiply
    1,965.48x = 2,712.62 × 1,799.39
  4. Step 4: Simplify right side
    1,965.48x = 4,881,072.58
  5. Step 5: Solve for x
    x = 4,881,072.58/1,965.48
  6. Step 6: Final answer
    x = 2,483.40

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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.