Home / 1,464.30-2,021.09-966.69

Finding the Fourth Proportional to 1,464.30, 2,021.09 and 966.69

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Solution

The fourth proportional to 1,464.30, 2,021.09 and 966.69 is: 1,334.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.30 : 2,021.09 = 966.69 : x
  2. Step 2: Convert to fraction form
    1,464.30/2,021.09 = 966.69/x
  3. Step 3: Cross multiply
    1,464.30x = 2,021.09 × 966.69
  4. Step 4: Simplify right side
    1,464.30x = 1,953,762.66
  5. Step 5: Solve for x
    x = 1,953,762.66/1,464.30
  6. Step 6: Final answer
    x = 1,334.26

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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.