Home / 3,648.10-5,471.70-1,699.78

Finding the Fourth Proportional to 3,648.10, 5,471.70 and 1,699.78

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Solution

The fourth proportional to 3,648.10, 5,471.70 and 1,699.78 is: 2,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.10 : 5,471.70 = 1,699.78 : x
  2. Step 2: Convert to fraction form
    3,648.10/5,471.70 = 1,699.78/x
  3. Step 3: Cross multiply
    3,648.10x = 5,471.70 × 1,699.78
  4. Step 4: Simplify right side
    3,648.10x = 9,300,686.23
  5. Step 5: Solve for x
    x = 9,300,686.23/3,648.10
  6. Step 6: Final answer
    x = 2,549.46

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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.