Home / 3,528.79-4,867.51-2,271.49

Finding the Fourth Proportional to 3,528.79, 4,867.51 and 2,271.49

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Solution

The fourth proportional to 3,528.79, 4,867.51 and 2,271.49 is: 3,133.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,528.79 : 4,867.51 = 2,271.49 : x
  2. Step 2: Convert to fraction form
    3,528.79/4,867.51 = 2,271.49/x
  3. Step 3: Cross multiply
    3,528.79x = 4,867.51 × 2,271.49
  4. Step 4: Simplify right side
    3,528.79x = 11,056,500.29
  5. Step 5: Solve for x
    x = 11,056,500.29/3,528.79
  6. Step 6: Final answer
    x = 3,133.23

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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.