Home / 1,514.79-2,272.84-1,393.70

Finding the Fourth Proportional to 1,514.79, 2,272.84 and 1,393.70

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Solution

The fourth proportional to 1,514.79, 2,272.84 and 1,393.70 is: 2,091.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.79 : 2,272.84 = 1,393.70 : x
  2. Step 2: Convert to fraction form
    1,514.79/2,272.84 = 1,393.70/x
  3. Step 3: Cross multiply
    1,514.79x = 2,272.84 × 1,393.70
  4. Step 4: Simplify right side
    1,514.79x = 3,167,642.26
  5. Step 5: Solve for x
    x = 3,167,642.26/1,514.79
  6. Step 6: Final answer
    x = 2,091.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.