Home / 1,579.91-2,358.45-1,508.90

Finding the Fourth Proportional to 1,579.91, 2,358.45 and 1,508.90

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Solution

The fourth proportional to 1,579.91, 2,358.45 and 1,508.90 is: 2,252.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,579.91 : 2,358.45 = 1,508.90 : x
  2. Step 2: Convert to fraction form
    1,579.91/2,358.45 = 1,508.90/x
  3. Step 3: Cross multiply
    1,579.91x = 2,358.45 × 1,508.90
  4. Step 4: Simplify right side
    1,579.91x = 3,558,653.41
  5. Step 5: Solve for x
    x = 3,558,653.41/1,579.91
  6. Step 6: Final answer
    x = 2,252.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.