Home / 1,459.55-2,182.68-1,089.62

Finding the Fourth Proportional to 1,459.55, 2,182.68 and 1,089.62

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Solution

The fourth proportional to 1,459.55, 2,182.68 and 1,089.62 is: 1,629.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,459.55 : 2,182.68 = 1,089.62 : x
  2. Step 2: Convert to fraction form
    1,459.55/2,182.68 = 1,089.62/x
  3. Step 3: Cross multiply
    1,459.55x = 2,182.68 × 1,089.62
  4. Step 4: Simplify right side
    1,459.55x = 2,378,283.60
  5. Step 5: Solve for x
    x = 2,378,283.60/1,459.55
  6. Step 6: Final answer
    x = 1,629.46

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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.