Home / 1,511.03-2,085.30-848.09

Finding the Fourth Proportional to 1,511.03, 2,085.30 and 848.09

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Solution

The fourth proportional to 1,511.03, 2,085.30 and 848.09 is: 1,170.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.03 : 2,085.30 = 848.09 : x
  2. Step 2: Convert to fraction form
    1,511.03/2,085.30 = 848.09/x
  3. Step 3: Cross multiply
    1,511.03x = 2,085.30 × 848.09
  4. Step 4: Simplify right side
    1,511.03x = 1,768,511.65
  5. Step 5: Solve for x
    x = 1,768,511.65/1,511.03
  6. Step 6: Final answer
    x = 1,170.41

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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.