Home / 1,945.99-2,913.18-1,485.46

Finding the Fourth Proportional to 1,945.99, 2,913.18 and 1,485.46

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Solution

The fourth proportional to 1,945.99, 2,913.18 and 1,485.46 is: 2,223.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,945.99 : 2,913.18 = 1,485.46 : x
  2. Step 2: Convert to fraction form
    1,945.99/2,913.18 = 1,485.46/x
  3. Step 3: Cross multiply
    1,945.99x = 2,913.18 × 1,485.46
  4. Step 4: Simplify right side
    1,945.99x = 4,327,412.36
  5. Step 5: Solve for x
    x = 4,327,412.36/1,945.99
  6. Step 6: Final answer
    x = 2,223.76

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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.