Home / 2,281.02-3,147.81-1,233.09

Finding the Fourth Proportional to 2,281.02, 3,147.81 and 1,233.09

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Solution

The fourth proportional to 2,281.02, 3,147.81 and 1,233.09 is: 1,701.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,281.02 : 3,147.81 = 1,233.09 : x
  2. Step 2: Convert to fraction form
    2,281.02/3,147.81 = 1,233.09/x
  3. Step 3: Cross multiply
    2,281.02x = 3,147.81 × 1,233.09
  4. Step 4: Simplify right side
    2,281.02x = 3,881,533.03
  5. Step 5: Solve for x
    x = 3,881,533.03/2,281.02
  6. Step 6: Final answer
    x = 1,701.67

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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.