Home / 2,460.78-3,397.48-1,900.26

Finding the Fourth Proportional to 2,460.78, 3,397.48 and 1,900.26

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Solution

The fourth proportional to 2,460.78, 3,397.48 and 1,900.26 is: 2,623.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,460.78 : 3,397.48 = 1,900.26 : x
  2. Step 2: Convert to fraction form
    2,460.78/3,397.48 = 1,900.26/x
  3. Step 3: Cross multiply
    2,460.78x = 3,397.48 × 1,900.26
  4. Step 4: Simplify right side
    2,460.78x = 6,456,090.59
  5. Step 5: Solve for x
    x = 6,456,090.59/2,460.78
  6. Step 6: Final answer
    x = 2,623.60

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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.