Home / 2,600.35-3,898.08-1,283.60

Finding the Fourth Proportional to 2,600.35, 3,898.08 and 1,283.60

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Solution

The fourth proportional to 2,600.35, 3,898.08 and 1,283.60 is: 1,924.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.35 : 3,898.08 = 1,283.60 : x
  2. Step 2: Convert to fraction form
    2,600.35/3,898.08 = 1,283.60/x
  3. Step 3: Cross multiply
    2,600.35x = 3,898.08 × 1,283.60
  4. Step 4: Simplify right side
    2,600.35x = 5,003,585.23
  5. Step 5: Solve for x
    x = 5,003,585.23/2,600.35
  6. Step 6: Final answer
    x = 1,924.20

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1.5x scale

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.