Home / 1,528.63-2,293.10-418.06

Finding the Fourth Proportional to 1,528.63, 2,293.10 and 418.06

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Solution

The fourth proportional to 1,528.63, 2,293.10 and 418.06 is: 627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,528.63 : 2,293.10 = 418.06 : x
  2. Step 2: Convert to fraction form
    1,528.63/2,293.10 = 418.06/x
  3. Step 3: Cross multiply
    1,528.63x = 2,293.10 × 418.06
  4. Step 4: Simplify right side
    1,528.63x = 958,653.39
  5. Step 5: Solve for x
    x = 958,653.39/1,528.63
  6. Step 6: Final answer
    x = 627.13

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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.