Home / 2,325.02-3,207-1,380.11

Finding the Fourth Proportional to 2,325.02, 3,207 and 1,380.11

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Solution

The fourth proportional to 2,325.02, 3,207 and 1,380.11 is: 1,903.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,325.02 : 3,207 = 1,380.11 : x
  2. Step 2: Convert to fraction form
    2,325.02/3,207 = 1,380.11/x
  3. Step 3: Cross multiply
    2,325.02x = 3,207 × 1,380.11
  4. Step 4: Simplify right side
    2,325.02x = 4,425,996.74
  5. Step 5: Solve for x
    x = 4,425,996.74/2,325.02
  6. Step 6: Final answer
    x = 1,903.64

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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.