Home / 1,596.26-2,196.79-1,315.39

Finding the Fourth Proportional to 1,596.26, 2,196.79 and 1,315.39

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Solution

The fourth proportional to 1,596.26, 2,196.79 and 1,315.39 is: 1,810.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,596.26 : 2,196.79 = 1,315.39 : x
  2. Step 2: Convert to fraction form
    1,596.26/2,196.79 = 1,315.39/x
  3. Step 3: Cross multiply
    1,596.26x = 2,196.79 × 1,315.39
  4. Step 4: Simplify right side
    1,596.26x = 2,889,626.82
  5. Step 5: Solve for x
    x = 2,889,626.82/1,596.26
  6. Step 6: Final answer
    x = 1,810.25

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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.