Home / 2,607.60-3,911.74-1,292.03

Finding the Fourth Proportional to 2,607.60, 3,911.74 and 1,292.03

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Solution

The fourth proportional to 2,607.60, 3,911.74 and 1,292.03 is: 1,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,607.60 : 3,911.74 = 1,292.03 : x
  2. Step 2: Convert to fraction form
    2,607.60/3,911.74 = 1,292.03/x
  3. Step 3: Cross multiply
    2,607.60x = 3,911.74 × 1,292.03
  4. Step 4: Simplify right side
    2,607.60x = 5,054,062.64
  5. Step 5: Solve for x
    x = 5,054,062.64/2,607.60
  6. Step 6: Final answer
    x = 1,938.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.