Home / 2,303.20-3,160.73-2,157.40

Finding the Fourth Proportional to 2,303.20, 3,160.73 and 2,157.40

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Solution

The fourth proportional to 2,303.20, 3,160.73 and 2,157.40 is: 2,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,303.20 : 3,160.73 = 2,157.40 : x
  2. Step 2: Convert to fraction form
    2,303.20/3,160.73 = 2,157.40/x
  3. Step 3: Cross multiply
    2,303.20x = 3,160.73 × 2,157.40
  4. Step 4: Simplify right side
    2,303.20x = 6,818,958.90
  5. Step 5: Solve for x
    x = 6,818,958.90/2,303.20
  6. Step 6: Final answer
    x = 2,960.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.