Home / 2,569.12-3,544.48-1,685.44

Finding the Fourth Proportional to 2,569.12, 3,544.48 and 1,685.44

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Solution

The fourth proportional to 2,569.12, 3,544.48 and 1,685.44 is: 2,325.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,569.12 : 3,544.48 = 1,685.44 : x
  2. Step 2: Convert to fraction form
    2,569.12/3,544.48 = 1,685.44/x
  3. Step 3: Cross multiply
    2,569.12x = 3,544.48 × 1,685.44
  4. Step 4: Simplify right side
    2,569.12x = 5,974,008.37
  5. Step 5: Solve for x
    x = 5,974,008.37/2,569.12
  6. Step 6: Final answer
    x = 2,325.31

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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.