Home / 3,153.42-4,697.78-3,011.28

Finding the Fourth Proportional to 3,153.42, 4,697.78 and 3,011.28

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Solution

The fourth proportional to 3,153.42, 4,697.78 and 3,011.28 is: 4,486.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,153.42 : 4,697.78 = 3,011.28 : x
  2. Step 2: Convert to fraction form
    3,153.42/4,697.78 = 3,011.28/x
  3. Step 3: Cross multiply
    3,153.42x = 4,697.78 × 3,011.28
  4. Step 4: Simplify right side
    3,153.42x = 14,146,330.96
  5. Step 5: Solve for x
    x = 14,146,330.96/3,153.42
  6. Step 6: Final answer
    x = 4,486.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.