Home / 1,511.26-2,085.29-848.14

Finding the Fourth Proportional to 1,511.26, 2,085.29 and 848.14

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Solution

The fourth proportional to 1,511.26, 2,085.29 and 848.14 is: 1,170.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.26 : 2,085.29 = 848.14 : x
  2. Step 2: Convert to fraction form
    1,511.26/2,085.29 = 848.14/x
  3. Step 3: Cross multiply
    1,511.26x = 2,085.29 × 848.14
  4. Step 4: Simplify right side
    1,511.26x = 1,768,617.86
  5. Step 5: Solve for x
    x = 1,768,617.86/1,511.26
  6. Step 6: Final answer
    x = 1,170.29

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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.