Home / 1,552.26-2,139.63-1,054.74

Finding the Fourth Proportional to 1,552.26, 2,139.63 and 1,054.74

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Solution

The fourth proportional to 1,552.26, 2,139.63 and 1,054.74 is: 1,453.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,552.26 : 2,139.63 = 1,054.74 : x
  2. Step 2: Convert to fraction form
    1,552.26/2,139.63 = 1,054.74/x
  3. Step 3: Cross multiply
    1,552.26x = 2,139.63 × 1,054.74
  4. Step 4: Simplify right side
    1,552.26x = 2,256,753.35
  5. Step 5: Solve for x
    x = 2,256,753.35/1,552.26
  6. Step 6: Final answer
    x = 1,453.85

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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.