Home / 2,316.90-3,197.50-1,433.18

Finding the Fourth Proportional to 2,316.90, 3,197.50 and 1,433.18

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Solution

The fourth proportional to 2,316.90, 3,197.50 and 1,433.18 is: 1,977.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,316.90 : 3,197.50 = 1,433.18 : x
  2. Step 2: Convert to fraction form
    2,316.90/3,197.50 = 1,433.18/x
  3. Step 3: Cross multiply
    2,316.90x = 3,197.50 × 1,433.18
  4. Step 4: Simplify right side
    2,316.90x = 4,582,593.05
  5. Step 5: Solve for x
    x = 4,582,593.05/2,316.90
  6. Step 6: Final answer
    x = 1,977.90

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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.