Home / 1,511.54-2,085.85-848.35

Finding the Fourth Proportional to 1,511.54, 2,085.85 and 848.35

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Solution

The fourth proportional to 1,511.54, 2,085.85 and 848.35 is: 1,170.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.54 : 2,085.85 = 848.35 : x
  2. Step 2: Convert to fraction form
    1,511.54/2,085.85 = 848.35/x
  3. Step 3: Cross multiply
    1,511.54x = 2,085.85 × 848.35
  4. Step 4: Simplify right side
    1,511.54x = 1,769,530.85
  5. Step 5: Solve for x
    x = 1,769,530.85/1,511.54
  6. Step 6: Final answer
    x = 1,170.68

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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.