Home / 3,405.03-4,699.48-3,182.68

Finding the Fourth Proportional to 3,405.03, 4,699.48 and 3,182.68

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Solution

The fourth proportional to 3,405.03, 4,699.48 and 3,182.68 is: 4,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.03 : 4,699.48 = 3,182.68 : x
  2. Step 2: Convert to fraction form
    3,405.03/4,699.48 = 3,182.68/x
  3. Step 3: Cross multiply
    3,405.03x = 4,699.48 × 3,182.68
  4. Step 4: Simplify right side
    3,405.03x = 14,956,941.01
  5. Step 5: Solve for x
    x = 14,956,941.01/3,405.03
  6. Step 6: Final answer
    x = 4,392.60

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1.5x scale

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.