Home / 1,464.28-2,020.44-875.08

Finding the Fourth Proportional to 1,464.28, 2,020.44 and 875.08

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Solution

The fourth proportional to 1,464.28, 2,020.44 and 875.08 is: 1,207.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.28 : 2,020.44 = 875.08 : x
  2. Step 2: Convert to fraction form
    1,464.28/2,020.44 = 875.08/x
  3. Step 3: Cross multiply
    1,464.28x = 2,020.44 × 875.08
  4. Step 4: Simplify right side
    1,464.28x = 1,768,046.64
  5. Step 5: Solve for x
    x = 1,768,046.64/1,464.28
  6. Step 6: Final answer
    x = 1,207.45

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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.