Home / 1,477.24-2,217.23-747.33

Finding the Fourth Proportional to 1,477.24, 2,217.23 and 747.33

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Solution

The fourth proportional to 1,477.24, 2,217.23 and 747.33 is: 1,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.24 : 2,217.23 = 747.33 : x
  2. Step 2: Convert to fraction form
    1,477.24/2,217.23 = 747.33/x
  3. Step 3: Cross multiply
    1,477.24x = 2,217.23 × 747.33
  4. Step 4: Simplify right side
    1,477.24x = 1,657,002.50
  5. Step 5: Solve for x
    x = 1,657,002.50/1,477.24
  6. Step 6: Final answer
    x = 1,121.69

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1.5x scale

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.