Home / 2,178.48-3,267.56-946.77

Finding the Fourth Proportional to 2,178.48, 3,267.56 and 946.77

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Solution

The fourth proportional to 2,178.48, 3,267.56 and 946.77 is: 1,420.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.48 : 3,267.56 = 946.77 : x
  2. Step 2: Convert to fraction form
    2,178.48/3,267.56 = 946.77/x
  3. Step 3: Cross multiply
    2,178.48x = 3,267.56 × 946.77
  4. Step 4: Simplify right side
    2,178.48x = 3,093,623.05
  5. Step 5: Solve for x
    x = 3,093,623.05/2,178.48
  6. Step 6: Final answer
    x = 1,420.08

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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.