Home / 3,486.48-4,811.28-1,914.52

Finding the Fourth Proportional to 3,486.48, 4,811.28 and 1,914.52

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Solution

The fourth proportional to 3,486.48, 4,811.28 and 1,914.52 is: 2,642.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.48 : 4,811.28 = 1,914.52 : x
  2. Step 2: Convert to fraction form
    3,486.48/4,811.28 = 1,914.52/x
  3. Step 3: Cross multiply
    3,486.48x = 4,811.28 × 1,914.52
  4. Step 4: Simplify right side
    3,486.48x = 9,211,291.79
  5. Step 5: Solve for x
    x = 9,211,291.79/3,486.48
  6. Step 6: Final answer
    x = 2,642.00

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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.