Home / 1,613.48-2,226.64-1,142.22

Finding the Fourth Proportional to 1,613.48, 2,226.64 and 1,142.22

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Solution

The fourth proportional to 1,613.48, 2,226.64 and 1,142.22 is: 1,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.48 : 2,226.64 = 1,142.22 : x
  2. Step 2: Convert to fraction form
    1,613.48/2,226.64 = 1,142.22/x
  3. Step 3: Cross multiply
    1,613.48x = 2,226.64 × 1,142.22
  4. Step 4: Simplify right side
    1,613.48x = 2,543,312.74
  5. Step 5: Solve for x
    x = 2,543,312.74/1,613.48
  6. Step 6: Final answer
    x = 1,576.29

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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.