Home / 1,858.99-2,568.08-1,485.48

Finding the Fourth Proportional to 1,858.99, 2,568.08 and 1,485.48

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Solution

The fourth proportional to 1,858.99, 2,568.08 and 1,485.48 is: 2,052.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,858.99 : 2,568.08 = 1,485.48 : x
  2. Step 2: Convert to fraction form
    1,858.99/2,568.08 = 1,485.48/x
  3. Step 3: Cross multiply
    1,858.99x = 2,568.08 × 1,485.48
  4. Step 4: Simplify right side
    1,858.99x = 3,814,831.48
  5. Step 5: Solve for x
    x = 3,814,831.48/1,858.99
  6. Step 6: Final answer
    x = 2,052.10

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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.