Home / 1,584.27-2,186.91-1,089.36

Finding the Fourth Proportional to 1,584.27, 2,186.91 and 1,089.36

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Solution

The fourth proportional to 1,584.27, 2,186.91 and 1,089.36 is: 1,503.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.27 : 2,186.91 = 1,089.36 : x
  2. Step 2: Convert to fraction form
    1,584.27/2,186.91 = 1,089.36/x
  3. Step 3: Cross multiply
    1,584.27x = 2,186.91 × 1,089.36
  4. Step 4: Simplify right side
    1,584.27x = 2,382,332.28
  5. Step 5: Solve for x
    x = 2,382,332.28/1,584.27
  6. Step 6: Final answer
    x = 1,503.74

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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.