Home / 1,484.28-2,048.58-1,247.94

Finding the Fourth Proportional to 1,484.28, 2,048.58 and 1,247.94

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Solution

The fourth proportional to 1,484.28, 2,048.58 and 1,247.94 is: 1,722.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,484.28 : 2,048.58 = 1,247.94 : x
  2. Step 2: Convert to fraction form
    1,484.28/2,048.58 = 1,247.94/x
  3. Step 3: Cross multiply
    1,484.28x = 2,048.58 × 1,247.94
  4. Step 4: Simplify right side
    1,484.28x = 2,556,504.93
  5. Step 5: Solve for x
    x = 2,556,504.93/1,484.28
  6. Step 6: Final answer
    x = 1,722.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.