Home / 1,056.45-1,583.58-362.55

Finding the Fourth Proportional to 1,056.45, 1,583.58 and 362.55

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Solution

The fourth proportional to 1,056.45, 1,583.58 and 362.55 is: 543.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056.45 : 1,583.58 = 362.55 : x
  2. Step 2: Convert to fraction form
    1,056.45/1,583.58 = 362.55/x
  3. Step 3: Cross multiply
    1,056.45x = 1,583.58 × 362.55
  4. Step 4: Simplify right side
    1,056.45x = 574,126.93
  5. Step 5: Solve for x
    x = 574,126.93/1,056.45
  6. Step 6: Final answer
    x = 543.45

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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.