Home / 1,601.55-2,210.42-1,272.48

Finding the Fourth Proportional to 1,601.55, 2,210.42 and 1,272.48

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Solution

The fourth proportional to 1,601.55, 2,210.42 and 1,272.48 is: 1,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,601.55 : 2,210.42 = 1,272.48 : x
  2. Step 2: Convert to fraction form
    1,601.55/2,210.42 = 1,272.48/x
  3. Step 3: Cross multiply
    1,601.55x = 2,210.42 × 1,272.48
  4. Step 4: Simplify right side
    1,601.55x = 2,812,708.88
  5. Step 5: Solve for x
    x = 2,812,708.88/1,601.55
  6. Step 6: Final answer
    x = 1,756.24

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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.