Home / 1,464.33-2,020.60-874.75

Finding the Fourth Proportional to 1,464.33, 2,020.60 and 874.75

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Solution

The fourth proportional to 1,464.33, 2,020.60 and 874.75 is: 1,207.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.33 : 2,020.60 = 874.75 : x
  2. Step 2: Convert to fraction form
    1,464.33/2,020.60 = 874.75/x
  3. Step 3: Cross multiply
    1,464.33x = 2,020.60 × 874.75
  4. Step 4: Simplify right side
    1,464.33x = 1,767,519.85
  5. Step 5: Solve for x
    x = 1,767,519.85/1,464.33
  6. Step 6: Final answer
    x = 1,207.05

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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.