Home / 2,140.44-2,954.03-1,256.23

Finding the Fourth Proportional to 2,140.44, 2,954.03 and 1,256.23

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Solution

The fourth proportional to 2,140.44, 2,954.03 and 1,256.23 is: 1,733.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.44 : 2,954.03 = 1,256.23 : x
  2. Step 2: Convert to fraction form
    2,140.44/2,954.03 = 1,256.23/x
  3. Step 3: Cross multiply
    2,140.44x = 2,954.03 × 1,256.23
  4. Step 4: Simplify right side
    2,140.44x = 3,710,927.44
  5. Step 5: Solve for x
    x = 3,710,927.44/2,140.44
  6. Step 6: Final answer
    x = 1,733.72

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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.