Home / 3,461.25-4,776.94-1,969.40

Finding the Fourth Proportional to 3,461.25, 4,776.94 and 1,969.40

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Solution

The fourth proportional to 3,461.25, 4,776.94 and 1,969.40 is: 2,718.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,461.25 : 4,776.94 = 1,969.40 : x
  2. Step 2: Convert to fraction form
    3,461.25/4,776.94 = 1,969.40/x
  3. Step 3: Cross multiply
    3,461.25x = 4,776.94 × 1,969.40
  4. Step 4: Simplify right side
    3,461.25x = 9,407,705.64
  5. Step 5: Solve for x
    x = 9,407,705.64/3,461.25
  6. Step 6: Final answer
    x = 2,718.01

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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.