Home / 1,836.10-2,532.93-1,338.50

Finding the Fourth Proportional to 1,836.10, 2,532.93 and 1,338.50

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Solution

The fourth proportional to 1,836.10, 2,532.93 and 1,338.50 is: 1,846.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,836.10 : 2,532.93 = 1,338.50 : x
  2. Step 2: Convert to fraction form
    1,836.10/2,532.93 = 1,338.50/x
  3. Step 3: Cross multiply
    1,836.10x = 2,532.93 × 1,338.50
  4. Step 4: Simplify right side
    1,836.10x = 3,390,326.81
  5. Step 5: Solve for x
    x = 3,390,326.81/1,836.10
  6. Step 6: Final answer
    x = 1,846.48

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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.