Home / 1,670.58-2,501.24-1,258.47

Finding the Fourth Proportional to 1,670.58, 2,501.24 and 1,258.47

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Solution

The fourth proportional to 1,670.58, 2,501.24 and 1,258.47 is: 1,884.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670.58 : 2,501.24 = 1,258.47 : x
  2. Step 2: Convert to fraction form
    1,670.58/2,501.24 = 1,258.47/x
  3. Step 3: Cross multiply
    1,670.58x = 2,501.24 × 1,258.47
  4. Step 4: Simplify right side
    1,670.58x = 3,147,729.21
  5. Step 5: Solve for x
    x = 3,147,729.21/1,670.58
  6. Step 6: Final answer
    x = 1,884.21

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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.