Home / 2,280.64-3,433.12-1,763.40

Finding the Fourth Proportional to 2,280.64, 3,433.12 and 1,763.40

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Solution

The fourth proportional to 2,280.64, 3,433.12 and 1,763.40 is: 2,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280.64 : 3,433.12 = 1,763.40 : x
  2. Step 2: Convert to fraction form
    2,280.64/3,433.12 = 1,763.40/x
  3. Step 3: Cross multiply
    2,280.64x = 3,433.12 × 1,763.40
  4. Step 4: Simplify right side
    2,280.64x = 6,053,963.81
  5. Step 5: Solve for x
    x = 6,053,963.81/2,280.64
  6. Step 6: Final answer
    x = 2,654.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.