Home / 1,722.81-2,583.57-552.51

Finding the Fourth Proportional to 1,722.81, 2,583.57 and 552.51

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Solution

The fourth proportional to 1,722.81, 2,583.57 and 552.51 is: 828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722.81 : 2,583.57 = 552.51 : x
  2. Step 2: Convert to fraction form
    1,722.81/2,583.57 = 552.51/x
  3. Step 3: Cross multiply
    1,722.81x = 2,583.57 × 552.51
  4. Step 4: Simplify right side
    1,722.81x = 1,427,448.26
  5. Step 5: Solve for x
    x = 1,427,448.26/1,722.81
  6. Step 6: Final answer
    x = 828.56

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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.