Home / 3,275.65-4,520.40-1,783.48

Finding the Fourth Proportional to 3,275.65, 4,520.40 and 1,783.48

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Solution

The fourth proportional to 3,275.65, 4,520.40 and 1,783.48 is: 2,461.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.65 : 4,520.40 = 1,783.48 : x
  2. Step 2: Convert to fraction form
    3,275.65/4,520.40 = 1,783.48/x
  3. Step 3: Cross multiply
    3,275.65x = 4,520.40 × 1,783.48
  4. Step 4: Simplify right side
    3,275.65x = 8,062,025.78
  5. Step 5: Solve for x
    x = 8,062,025.78/3,275.65
  6. Step 6: Final answer
    x = 2,461.20

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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.