Home / 3,647.63-5,471.46-1,307.54

Finding the Fourth Proportional to 3,647.63, 5,471.46 and 1,307.54

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Solution

The fourth proportional to 3,647.63, 5,471.46 and 1,307.54 is: 1,961.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,647.63 : 5,471.46 = 1,307.54 : x
  2. Step 2: Convert to fraction form
    3,647.63/5,471.46 = 1,307.54/x
  3. Step 3: Cross multiply
    3,647.63x = 5,471.46 × 1,307.54
  4. Step 4: Simplify right side
    3,647.63x = 7,154,166.49
  5. Step 5: Solve for x
    x = 7,154,166.49/3,647.63
  6. Step 6: Final answer
    x = 1,961.32

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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.