Home / 3,460.95-5,195.48-1,981.35

Finding the Fourth Proportional to 3,460.95, 5,195.48 and 1,981.35

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Solution

The fourth proportional to 3,460.95, 5,195.48 and 1,981.35 is: 2,974.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.95 : 5,195.48 = 1,981.35 : x
  2. Step 2: Convert to fraction form
    3,460.95/5,195.48 = 1,981.35/x
  3. Step 3: Cross multiply
    3,460.95x = 5,195.48 × 1,981.35
  4. Step 4: Simplify right side
    3,460.95x = 10,294,054.39
  5. Step 5: Solve for x
    x = 10,294,054.39/3,460.95
  6. Step 6: Final answer
    x = 2,974.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.