Home / 2,178.19-3,262.88-1,740.18

Finding the Fourth Proportional to 2,178.19, 3,262.88 and 1,740.18

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Solution

The fourth proportional to 2,178.19, 3,262.88 and 1,740.18 is: 2,606.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178.19 : 3,262.88 = 1,740.18 : x
  2. Step 2: Convert to fraction form
    2,178.19/3,262.88 = 1,740.18/x
  3. Step 3: Cross multiply
    2,178.19x = 3,262.88 × 1,740.18
  4. Step 4: Simplify right side
    2,178.19x = 5,678,015.10
  5. Step 5: Solve for x
    x = 5,678,015.10/2,178.19
  6. Step 6: Final answer
    x = 2,606.76

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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.