Home / 1,556.40-2,318.36-1,472.52

Finding the Fourth Proportional to 1,556.40, 2,318.36 and 1,472.52

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Solution

The fourth proportional to 1,556.40, 2,318.36 and 1,472.52 is: 2,193.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556.40 : 2,318.36 = 1,472.52 : x
  2. Step 2: Convert to fraction form
    1,556.40/2,318.36 = 1,472.52/x
  3. Step 3: Cross multiply
    1,556.40x = 2,318.36 × 1,472.52
  4. Step 4: Simplify right side
    1,556.40x = 3,413,831.47
  5. Step 5: Solve for x
    x = 3,413,831.47/1,556.40
  6. Step 6: Final answer
    x = 2,193.42

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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.