Home / 2,274.19-3,139.26-1,530.27

Finding the Fourth Proportional to 2,274.19, 3,139.26 and 1,530.27

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Solution

The fourth proportional to 2,274.19, 3,139.26 and 1,530.27 is: 2,112.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.19 : 3,139.26 = 1,530.27 : x
  2. Step 2: Convert to fraction form
    2,274.19/3,139.26 = 1,530.27/x
  3. Step 3: Cross multiply
    2,274.19x = 3,139.26 × 1,530.27
  4. Step 4: Simplify right side
    2,274.19x = 4,803,915.40
  5. Step 5: Solve for x
    x = 4,803,915.40/2,274.19
  6. Step 6: Final answer
    x = 2,112.36

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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.