Home / 1,511.62-2,085.90-848.35

Finding the Fourth Proportional to 1,511.62, 2,085.90 and 848.35

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Solution

The fourth proportional to 1,511.62, 2,085.90 and 848.35 is: 1,170.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.62 : 2,085.90 = 848.35 : x
  2. Step 2: Convert to fraction form
    1,511.62/2,085.90 = 848.35/x
  3. Step 3: Cross multiply
    1,511.62x = 2,085.90 × 848.35
  4. Step 4: Simplify right side
    1,511.62x = 1,769,569.02
  5. Step 5: Solve for x
    x = 1,769,569.02/1,511.62
  6. Step 6: Final answer
    x = 1,170.64

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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.