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Finding the Fourth Proportional to 2,598.95, 3,898.44 and 867.57

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Solution

The fourth proportional to 2,598.95, 3,898.44 and 867.57 is: 1,301.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,598.95 : 3,898.44 = 867.57 : x
  2. Step 2: Convert to fraction form
    2,598.95/3,898.44 = 867.57/x
  3. Step 3: Cross multiply
    2,598.95x = 3,898.44 × 867.57
  4. Step 4: Simplify right side
    2,598.95x = 3,382,169.59
  5. Step 5: Solve for x
    x = 3,382,169.59/2,598.95
  6. Step 6: Final answer
    x = 1,301.36

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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.