Home / 1,511.36-2,085.68-848.22

Finding the Fourth Proportional to 1,511.36, 2,085.68 and 848.22

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Solution

The fourth proportional to 1,511.36, 2,085.68 and 848.22 is: 1,170.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.36 : 2,085.68 = 848.22 : x
  2. Step 2: Convert to fraction form
    1,511.36/2,085.68 = 848.22/x
  3. Step 3: Cross multiply
    1,511.36x = 2,085.68 × 848.22
  4. Step 4: Simplify right side
    1,511.36x = 1,769,115.49
  5. Step 5: Solve for x
    x = 1,769,115.49/1,511.36
  6. Step 6: Final answer
    x = 1,170.55

Related Problems

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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.