Home / 1,579.71-2,369.40-484.08

Finding the Fourth Proportional to 1,579.71, 2,369.40 and 484.08

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Solution

The fourth proportional to 1,579.71, 2,369.40 and 484.08 is: 726.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.71 : 2,369.40 = 484.08 : x
  2. Step 2: Convert to fraction form
    1,579.71/2,369.40 = 484.08/x
  3. Step 3: Cross multiply
    1,579.71x = 2,369.40 × 484.08
  4. Step 4: Simplify right side
    1,579.71x = 1,146,979.15
  5. Step 5: Solve for x
    x = 1,146,979.15/1,579.71
  6. Step 6: Final answer
    x = 726.07

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1.5x scale

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.