Home / 1,613.32-2,226.66-1,559.32

Finding the Fourth Proportional to 1,613.32, 2,226.66 and 1,559.32

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Solution

The fourth proportional to 1,613.32, 2,226.66 and 1,559.32 is: 2,152.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.32 : 2,226.66 = 1,559.32 : x
  2. Step 2: Convert to fraction form
    1,613.32/2,226.66 = 1,559.32/x
  3. Step 3: Cross multiply
    1,613.32x = 2,226.66 × 1,559.32
  4. Step 4: Simplify right side
    1,613.32x = 3,472,075.47
  5. Step 5: Solve for x
    x = 3,472,075.47/1,613.32
  6. Step 6: Final answer
    x = 2,152.13

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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.