Home / 1,511.14-2,085.59-848.06

Finding the Fourth Proportional to 1,511.14, 2,085.59 and 848.06

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Solution

The fourth proportional to 1,511.14, 2,085.59 and 848.06 is: 1,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.14 : 2,085.59 = 848.06 : x
  2. Step 2: Convert to fraction form
    1,511.14/2,085.59 = 848.06/x
  3. Step 3: Cross multiply
    1,511.14x = 2,085.59 × 848.06
  4. Step 4: Simplify right side
    1,511.14x = 1,768,705.46
  5. Step 5: Solve for x
    x = 1,768,705.46/1,511.14
  6. Step 6: Final answer
    x = 1,170.44

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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.