Home / 3,492.36-5,238.50-1,412.35

Finding the Fourth Proportional to 3,492.36, 5,238.50 and 1,412.35

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Solution

The fourth proportional to 3,492.36, 5,238.50 and 1,412.35 is: 2,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,492.36 : 5,238.50 = 1,412.35 : x
  2. Step 2: Convert to fraction form
    3,492.36/5,238.50 = 1,412.35/x
  3. Step 3: Cross multiply
    3,492.36x = 5,238.50 × 1,412.35
  4. Step 4: Simplify right side
    3,492.36x = 7,398,562.22
  5. Step 5: Solve for x
    x = 7,398,562.22/3,492.36
  6. Step 6: Final answer
    x = 2,118.50

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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.