Home / 1,514.93-2,089.62-1,315.93

Finding the Fourth Proportional to 1,514.93, 2,089.62 and 1,315.93

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Solution

The fourth proportional to 1,514.93, 2,089.62 and 1,315.93 is: 1,815.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514.93 : 2,089.62 = 1,315.93 : x
  2. Step 2: Convert to fraction form
    1,514.93/2,089.62 = 1,315.93/x
  3. Step 3: Cross multiply
    1,514.93x = 2,089.62 × 1,315.93
  4. Step 4: Simplify right side
    1,514.93x = 2,749,793.65
  5. Step 5: Solve for x
    x = 2,749,793.65/1,514.93
  6. Step 6: Final answer
    x = 1,815.13

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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.