Home / 1,964.24-2,946.40-1,572.42

Finding the Fourth Proportional to 1,964.24, 2,946.40 and 1,572.42

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Solution

The fourth proportional to 1,964.24, 2,946.40 and 1,572.42 is: 2,358.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,964.24 : 2,946.40 = 1,572.42 : x
  2. Step 2: Convert to fraction form
    1,964.24/2,946.40 = 1,572.42/x
  3. Step 3: Cross multiply
    1,964.24x = 2,946.40 × 1,572.42
  4. Step 4: Simplify right side
    1,964.24x = 4,632,970.43
  5. Step 5: Solve for x
    x = 4,632,970.43/1,964.24
  6. Step 6: Final answer
    x = 2,358.66

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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.