Home / 1,801.34-2,485.85-1,015.39

Finding the Fourth Proportional to 1,801.34, 2,485.85 and 1,015.39

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Solution

The fourth proportional to 1,801.34, 2,485.85 and 1,015.39 is: 1,401.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,801.34 : 2,485.85 = 1,015.39 : x
  2. Step 2: Convert to fraction form
    1,801.34/2,485.85 = 1,015.39/x
  3. Step 3: Cross multiply
    1,801.34x = 2,485.85 × 1,015.39
  4. Step 4: Simplify right side
    1,801.34x = 2,524,097.34
  5. Step 5: Solve for x
    x = 2,524,097.34/1,801.34
  6. Step 6: Final answer
    x = 1,401.23

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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.