Home / 1,145.22-1,718.52-1,052.28

Finding the Fourth Proportional to 1,145.22, 1,718.52 and 1,052.28

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Solution

The fourth proportional to 1,145.22, 1,718.52 and 1,052.28 is: 1,579.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145.22 : 1,718.52 = 1,052.28 : x
  2. Step 2: Convert to fraction form
    1,145.22/1,718.52 = 1,052.28/x
  3. Step 3: Cross multiply
    1,145.22x = 1,718.52 × 1,052.28
  4. Step 4: Simplify right side
    1,145.22x = 1,808,364.23
  5. Step 5: Solve for x
    x = 1,808,364.23/1,145.22
  6. Step 6: Final answer
    x = 1,579.05

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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.