Home / 1,613.37-2,225.01-1,090.11

Finding the Fourth Proportional to 1,613.37, 2,225.01 and 1,090.11

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Solution

The fourth proportional to 1,613.37, 2,225.01 and 1,090.11 is: 1,503.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613.37 : 2,225.01 = 1,090.11 : x
  2. Step 2: Convert to fraction form
    1,613.37/2,225.01 = 1,090.11/x
  3. Step 3: Cross multiply
    1,613.37x = 2,225.01 × 1,090.11
  4. Step 4: Simplify right side
    1,613.37x = 2,425,505.65
  5. Step 5: Solve for x
    x = 2,425,505.65/1,613.37
  6. Step 6: Final answer
    x = 1,503.38

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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.