Home / 1,401.54-1,935.48-1,270.32

Finding the Fourth Proportional to 1,401.54, 1,935.48 and 1,270.32

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Solution

The fourth proportional to 1,401.54, 1,935.48 and 1,270.32 is: 1,754.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,401.54 : 1,935.48 = 1,270.32 : x
  2. Step 2: Convert to fraction form
    1,401.54/1,935.48 = 1,270.32/x
  3. Step 3: Cross multiply
    1,401.54x = 1,935.48 × 1,270.32
  4. Step 4: Simplify right side
    1,401.54x = 2,458,678.95
  5. Step 5: Solve for x
    x = 2,458,678.95/1,401.54
  6. Step 6: Final answer
    x = 1,754.27

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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.