Home / 2,405.04-3,321.27-1,875.39

Finding the Fourth Proportional to 2,405.04, 3,321.27 and 1,875.39

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Solution

The fourth proportional to 2,405.04, 3,321.27 and 1,875.39 is: 2,589.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.04 : 3,321.27 = 1,875.39 : x
  2. Step 2: Convert to fraction form
    2,405.04/3,321.27 = 1,875.39/x
  3. Step 3: Cross multiply
    2,405.04x = 3,321.27 × 1,875.39
  4. Step 4: Simplify right side
    2,405.04x = 6,228,676.55
  5. Step 5: Solve for x
    x = 6,228,676.55/2,405.04
  6. Step 6: Final answer
    x = 2,589.84

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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.