Home / 2,965.44-4,090.40-1,785.38

Finding the Fourth Proportional to 2,965.44, 4,090.40 and 1,785.38

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Solution

The fourth proportional to 2,965.44, 4,090.40 and 1,785.38 is: 2,462.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,965.44 : 4,090.40 = 1,785.38 : x
  2. Step 2: Convert to fraction form
    2,965.44/4,090.40 = 1,785.38/x
  3. Step 3: Cross multiply
    2,965.44x = 4,090.40 × 1,785.38
  4. Step 4: Simplify right side
    2,965.44x = 7,302,895.67
  5. Step 5: Solve for x
    x = 7,302,895.67/2,965.44
  6. Step 6: Final answer
    x = 2,462.67

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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.