Home / 2,220.48-3,064.80-1,336.12

Finding the Fourth Proportional to 2,220.48, 3,064.80 and 1,336.12

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Solution

The fourth proportional to 2,220.48, 3,064.80 and 1,336.12 is: 1,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.48 : 3,064.80 = 1,336.12 : x
  2. Step 2: Convert to fraction form
    2,220.48/3,064.80 = 1,336.12/x
  3. Step 3: Cross multiply
    2,220.48x = 3,064.80 × 1,336.12
  4. Step 4: Simplify right side
    2,220.48x = 4,094,918.57
  5. Step 5: Solve for x
    x = 4,094,918.57/2,220.48
  6. Step 6: Final answer
    x = 1,844.16

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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.