Home / 2,475.48-3,415.60-1,480.60

Finding the Fourth Proportional to 2,475.48, 3,415.60 and 1,480.60

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Solution

The fourth proportional to 2,475.48, 3,415.60 and 1,480.60 is: 2,042.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,475.48 : 3,415.60 = 1,480.60 : x
  2. Step 2: Convert to fraction form
    2,475.48/3,415.60 = 1,480.60/x
  3. Step 3: Cross multiply
    2,475.48x = 3,415.60 × 1,480.60
  4. Step 4: Simplify right side
    2,475.48x = 5,057,137.36
  5. Step 5: Solve for x
    x = 5,057,137.36/2,475.48
  6. Step 6: Final answer
    x = 2,042.89

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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.