Home / 3,154.36-4,353.03-1,810.02

Finding the Fourth Proportional to 3,154.36, 4,353.03 and 1,810.02

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Solution

The fourth proportional to 3,154.36, 4,353.03 and 1,810.02 is: 2,497.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.36 : 4,353.03 = 1,810.02 : x
  2. Step 2: Convert to fraction form
    3,154.36/4,353.03 = 1,810.02/x
  3. Step 3: Cross multiply
    3,154.36x = 4,353.03 × 1,810.02
  4. Step 4: Simplify right side
    3,154.36x = 7,879,071.36
  5. Step 5: Solve for x
    x = 7,879,071.36/3,154.36
  6. Step 6: Final answer
    x = 2,497.84

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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.