Home / 1,584.21-2,186.76-1,088.49

Finding the Fourth Proportional to 1,584.21, 2,186.76 and 1,088.49

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Solution

The fourth proportional to 1,584.21, 2,186.76 and 1,088.49 is: 1,502.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.21 : 2,186.76 = 1,088.49 : x
  2. Step 2: Convert to fraction form
    1,584.21/2,186.76 = 1,088.49/x
  3. Step 3: Cross multiply
    1,584.21x = 2,186.76 × 1,088.49
  4. Step 4: Simplify right side
    1,584.21x = 2,380,266.39
  5. Step 5: Solve for x
    x = 2,380,266.39/1,584.21
  6. Step 6: Final answer
    x = 1,502.49

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Half scale
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Double scale
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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.