Home / 3,152.48-4,350.84-2,271.20

Finding the Fourth Proportional to 3,152.48, 4,350.84 and 2,271.20

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Solution

The fourth proportional to 3,152.48, 4,350.84 and 2,271.20 is: 3,134.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,152.48 : 4,350.84 = 2,271.20 : x
  2. Step 2: Convert to fraction form
    3,152.48/4,350.84 = 2,271.20/x
  3. Step 3: Cross multiply
    3,152.48x = 4,350.84 × 2,271.20
  4. Step 4: Simplify right side
    3,152.48x = 9,881,627.81
  5. Step 5: Solve for x
    x = 9,881,627.81/3,152.48
  6. Step 6: Final answer
    x = 3,134.56

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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.