Home / 1,829.70-2,522.25-1,331.55

Finding the Fourth Proportional to 1,829.70, 2,522.25 and 1,331.55

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Solution

The fourth proportional to 1,829.70, 2,522.25 and 1,331.55 is: 1,835.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,829.70 : 2,522.25 = 1,331.55 : x
  2. Step 2: Convert to fraction form
    1,829.70/2,522.25 = 1,331.55/x
  3. Step 3: Cross multiply
    1,829.70x = 2,522.25 × 1,331.55
  4. Step 4: Simplify right side
    1,829.70x = 3,358,501.99
  5. Step 5: Solve for x
    x = 3,358,501.99/1,829.70
  6. Step 6: Final answer
    x = 1,835.55

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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.