Home / 2,152.44-2,970.17-1,256.38

Finding the Fourth Proportional to 2,152.44, 2,970.17 and 1,256.38

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Solution

The fourth proportional to 2,152.44, 2,970.17 and 1,256.38 is: 1,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152.44 : 2,970.17 = 1,256.38 : x
  2. Step 2: Convert to fraction form
    2,152.44/2,970.17 = 1,256.38/x
  3. Step 3: Cross multiply
    2,152.44x = 2,970.17 × 1,256.38
  4. Step 4: Simplify right side
    2,152.44x = 3,731,653.19
  5. Step 5: Solve for x
    x = 3,731,653.19/2,152.44
  6. Step 6: Final answer
    x = 1,733.69

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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.