Home / 1,964.36-2,946.58-1,572.55

Finding the Fourth Proportional to 1,964.36, 2,946.58 and 1,572.55

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Solution

The fourth proportional to 1,964.36, 2,946.58 and 1,572.55 is: 2,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.36 : 2,946.58 = 1,572.55 : x
  2. Step 2: Convert to fraction form
    1,964.36/2,946.58 = 1,572.55/x
  3. Step 3: Cross multiply
    1,964.36x = 2,946.58 × 1,572.55
  4. Step 4: Simplify right side
    1,964.36x = 4,633,633.08
  5. Step 5: Solve for x
    x = 4,633,633.08/1,964.36
  6. Step 6: Final answer
    x = 2,358.85

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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.