Home / 1,650.24-2,473.72-918.30

Finding the Fourth Proportional to 1,650.24, 2,473.72 and 918.30

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Solution

The fourth proportional to 1,650.24, 2,473.72 and 918.30 is: 1,376.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,650.24 : 2,473.72 = 918.30 : x
  2. Step 2: Convert to fraction form
    1,650.24/2,473.72 = 918.30/x
  3. Step 3: Cross multiply
    1,650.24x = 2,473.72 × 918.30
  4. Step 4: Simplify right side
    1,650.24x = 2,271,617.08
  5. Step 5: Solve for x
    x = 2,271,617.08/1,650.24
  6. Step 6: Final answer
    x = 1,376.54

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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.