Home / 1,485.32-2,047.44-1,169.84

Finding the Fourth Proportional to 1,485.32, 2,047.44 and 1,169.84

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Solution

The fourth proportional to 1,485.32, 2,047.44 and 1,169.84 is: 1,612.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485.32 : 2,047.44 = 1,169.84 : x
  2. Step 2: Convert to fraction form
    1,485.32/2,047.44 = 1,169.84/x
  3. Step 3: Cross multiply
    1,485.32x = 2,047.44 × 1,169.84
  4. Step 4: Simplify right side
    1,485.32x = 2,395,177.21
  5. Step 5: Solve for x
    x = 2,395,177.21/1,485.32
  6. Step 6: Final answer
    x = 1,612.57

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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.