Home / 3,657.14-5,046.54-2,085.20

Finding the Fourth Proportional to 3,657.14, 5,046.54 and 2,085.20

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Solution

The fourth proportional to 3,657.14, 5,046.54 and 2,085.20 is: 2,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,657.14 : 5,046.54 = 2,085.20 : x
  2. Step 2: Convert to fraction form
    3,657.14/5,046.54 = 2,085.20/x
  3. Step 3: Cross multiply
    3,657.14x = 5,046.54 × 2,085.20
  4. Step 4: Simplify right side
    3,657.14x = 10,523,045.21
  5. Step 5: Solve for x
    x = 10,523,045.21/3,657.14
  6. Step 6: Final answer
    x = 2,877.40

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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.