Home / 3,486.48-5,225.40-1,294.08

Finding the Fourth Proportional to 3,486.48, 5,225.40 and 1,294.08

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Solution

The fourth proportional to 3,486.48, 5,225.40 and 1,294.08 is: 1,939.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.48 : 5,225.40 = 1,294.08 : x
  2. Step 2: Convert to fraction form
    3,486.48/5,225.40 = 1,294.08/x
  3. Step 3: Cross multiply
    3,486.48x = 5,225.40 × 1,294.08
  4. Step 4: Simplify right side
    3,486.48x = 6,762,085.63
  5. Step 5: Solve for x
    x = 6,762,085.63/3,486.48
  6. Step 6: Final answer
    x = 1,939.52

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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.