Home / 2,633.84-3,631.75-2,153.81

Finding the Fourth Proportional to 2,633.84, 3,631.75 and 2,153.81

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Solution

The fourth proportional to 2,633.84, 3,631.75 and 2,153.81 is: 2,969.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,633.84 : 3,631.75 = 2,153.81 : x
  2. Step 2: Convert to fraction form
    2,633.84/3,631.75 = 2,153.81/x
  3. Step 3: Cross multiply
    2,633.84x = 3,631.75 × 2,153.81
  4. Step 4: Simplify right side
    2,633.84x = 7,822,084.00
  5. Step 5: Solve for x
    x = 7,822,084.00/2,633.84
  6. Step 6: Final answer
    x = 2,969.84

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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.