Home / 1,745.30-2,409.60-1,214.01

Finding the Fourth Proportional to 1,745.30, 2,409.60 and 1,214.01

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Solution

The fourth proportional to 1,745.30, 2,409.60 and 1,214.01 is: 1,676.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,745.30 : 2,409.60 = 1,214.01 : x
  2. Step 2: Convert to fraction form
    1,745.30/2,409.60 = 1,214.01/x
  3. Step 3: Cross multiply
    1,745.30x = 2,409.60 × 1,214.01
  4. Step 4: Simplify right side
    1,745.30x = 2,925,278.50
  5. Step 5: Solve for x
    x = 2,925,278.50/1,745.30
  6. Step 6: Final answer
    x = 1,676.09

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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.