Home / 2,274.09-3,138.27-1,528.98

Finding the Fourth Proportional to 2,274.09, 3,138.27 and 1,528.98

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Solution

The fourth proportional to 2,274.09, 3,138.27 and 1,528.98 is: 2,110.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.09 : 3,138.27 = 1,528.98 : x
  2. Step 2: Convert to fraction form
    2,274.09/3,138.27 = 1,528.98/x
  3. Step 3: Cross multiply
    2,274.09x = 3,138.27 × 1,528.98
  4. Step 4: Simplify right side
    2,274.09x = 4,798,352.06
  5. Step 5: Solve for x
    x = 4,798,352.06/2,274.09
  6. Step 6: Final answer
    x = 2,110.01

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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.