Home / 4,268.24-6,402.36-1,190

Finding the Fourth Proportional to 4,268.24, 6,402.36 and 1,190

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Solution

The fourth proportional to 4,268.24, 6,402.36 and 1,190 is: 1,785

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,268.24 : 6,402.36 = 1,190 : x
  2. Step 2: Convert to fraction form
    4,268.24/6,402.36 = 1,190/x
  3. Step 3: Cross multiply
    4,268.24x = 6,402.36 × 1,190
  4. Step 4: Simplify right side
    4,268.24x = 7,618,808.40
  5. Step 5: Solve for x
    x = 7,618,808.40/4,268.24
  6. Step 6: Final answer
    x = 1,785

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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.