Home / 2,071.68-2,855.97-1,653.36

Finding the Fourth Proportional to 2,071.68, 2,855.97 and 1,653.36

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Solution

The fourth proportional to 2,071.68, 2,855.97 and 1,653.36 is: 2,279.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,071.68 : 2,855.97 = 1,653.36 : x
  2. Step 2: Convert to fraction form
    2,071.68/2,855.97 = 1,653.36/x
  3. Step 3: Cross multiply
    2,071.68x = 2,855.97 × 1,653.36
  4. Step 4: Simplify right side
    2,071.68x = 4,721,946.56
  5. Step 5: Solve for x
    x = 4,721,946.56/2,071.68
  6. Step 6: Final answer
    x = 2,279.28

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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.