Home / 3,017.64-4,165.17-1,969.50

Finding the Fourth Proportional to 3,017.64, 4,165.17 and 1,969.50

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Solution

The fourth proportional to 3,017.64, 4,165.17 and 1,969.50 is: 2,718.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,017.64 : 4,165.17 = 1,969.50 : x
  2. Step 2: Convert to fraction form
    3,017.64/4,165.17 = 1,969.50/x
  3. Step 3: Cross multiply
    3,017.64x = 4,165.17 × 1,969.50
  4. Step 4: Simplify right side
    3,017.64x = 8,203,302.32
  5. Step 5: Solve for x
    x = 8,203,302.32/3,017.64
  6. Step 6: Final answer
    x = 2,718.45

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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.