Home / 1,728.99-2,587.11-1,036.14

Finding the Fourth Proportional to 1,728.99, 2,587.11 and 1,036.14

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Solution

The fourth proportional to 1,728.99, 2,587.11 and 1,036.14 is: 1,550.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728.99 : 2,587.11 = 1,036.14 : x
  2. Step 2: Convert to fraction form
    1,728.99/2,587.11 = 1,036.14/x
  3. Step 3: Cross multiply
    1,728.99x = 2,587.11 × 1,036.14
  4. Step 4: Simplify right side
    1,728.99x = 2,680,590.04
  5. Step 5: Solve for x
    x = 2,680,590.04/1,728.99
  6. Step 6: Final answer
    x = 1,550.38

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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.