Home / 3,411.35-4,707.58-2,085.05

Finding the Fourth Proportional to 3,411.35, 4,707.58 and 2,085.05

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Solution

The fourth proportional to 3,411.35, 4,707.58 and 2,085.05 is: 2,877.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.35 : 4,707.58 = 2,085.05 : x
  2. Step 2: Convert to fraction form
    3,411.35/4,707.58 = 2,085.05/x
  3. Step 3: Cross multiply
    3,411.35x = 4,707.58 × 2,085.05
  4. Step 4: Simplify right side
    3,411.35x = 9,815,539.68
  5. Step 5: Solve for x
    x = 9,815,539.68/3,411.35
  6. Step 6: Final answer
    x = 2,877.32

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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.