Home / 2,220.36-3,065.34-1,475.34

Finding the Fourth Proportional to 2,220.36, 3,065.34 and 1,475.34

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Solution

The fourth proportional to 2,220.36, 3,065.34 and 1,475.34 is: 2,036.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.36 : 3,065.34 = 1,475.34 : x
  2. Step 2: Convert to fraction form
    2,220.36/3,065.34 = 1,475.34/x
  3. Step 3: Cross multiply
    2,220.36x = 3,065.34 × 1,475.34
  4. Step 4: Simplify right side
    2,220.36x = 4,522,418.72
  5. Step 5: Solve for x
    x = 4,522,418.72/2,220.36
  6. Step 6: Final answer
    x = 2,036.80

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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.