Home / 1,514.68-2,090.46-1,122.82

Finding the Fourth Proportional to 1,514.68, 2,090.46 and 1,122.82

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Solution

The fourth proportional to 1,514.68, 2,090.46 and 1,122.82 is: 1,549.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.68 : 2,090.46 = 1,122.82 : x
  2. Step 2: Convert to fraction form
    1,514.68/2,090.46 = 1,122.82/x
  3. Step 3: Cross multiply
    1,514.68x = 2,090.46 × 1,122.82
  4. Step 4: Simplify right side
    1,514.68x = 2,347,210.30
  5. Step 5: Solve for x
    x = 2,347,210.30/1,514.68
  6. Step 6: Final answer
    x = 1,549.64

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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.