Home / 3,046.50-4,204.35-1,720.35

Finding the Fourth Proportional to 3,046.50, 4,204.35 and 1,720.35

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Solution

The fourth proportional to 3,046.50, 4,204.35 and 1,720.35 is: 2,374.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,046.50 : 4,204.35 = 1,720.35 : x
  2. Step 2: Convert to fraction form
    3,046.50/4,204.35 = 1,720.35/x
  3. Step 3: Cross multiply
    3,046.50x = 4,204.35 × 1,720.35
  4. Step 4: Simplify right side
    3,046.50x = 7,232,953.52
  5. Step 5: Solve for x
    x = 7,232,953.52/3,046.50
  6. Step 6: Final answer
    x = 2,374.18

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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.