Home / 2,036.39-2,806.79-1,557.68

Finding the Fourth Proportional to 2,036.39, 2,806.79 and 1,557.68

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Solution

The fourth proportional to 2,036.39, 2,806.79 and 1,557.68 is: 2,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,036.39 : 2,806.79 = 1,557.68 : x
  2. Step 2: Convert to fraction form
    2,036.39/2,806.79 = 1,557.68/x
  3. Step 3: Cross multiply
    2,036.39x = 2,806.79 × 1,557.68
  4. Step 4: Simplify right side
    2,036.39x = 4,372,058.82
  5. Step 5: Solve for x
    x = 4,372,058.82/2,036.39
  6. Step 6: Final answer
    x = 2,146.97

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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.