Home / 1,556.24-2,332.73-631.42

Finding the Fourth Proportional to 1,556.24, 2,332.73 and 631.42

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Solution

The fourth proportional to 1,556.24, 2,332.73 and 631.42 is: 946.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.24 : 2,332.73 = 631.42 : x
  2. Step 2: Convert to fraction form
    1,556.24/2,332.73 = 631.42/x
  3. Step 3: Cross multiply
    1,556.24x = 2,332.73 × 631.42
  4. Step 4: Simplify right side
    1,556.24x = 1,472,928.12
  5. Step 5: Solve for x
    x = 1,472,928.12/1,556.24
  6. Step 6: Final answer
    x = 946.47

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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.