Home / 2,011.55-3,018.35-972.44

Finding the Fourth Proportional to 2,011.55, 3,018.35 and 972.44

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Solution

The fourth proportional to 2,011.55, 3,018.35 and 972.44 is: 1,459.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011.55 : 3,018.35 = 972.44 : x
  2. Step 2: Convert to fraction form
    2,011.55/3,018.35 = 972.44/x
  3. Step 3: Cross multiply
    2,011.55x = 3,018.35 × 972.44
  4. Step 4: Simplify right side
    2,011.55x = 2,935,181.73
  5. Step 5: Solve for x
    x = 2,935,181.73/2,011.55
  6. Step 6: Final answer
    x = 1,459.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.