Home / 1,028.04-1,541.08-378.60

Finding the Fourth Proportional to 1,028.04, 1,541.08 and 378.60

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Solution

The fourth proportional to 1,028.04, 1,541.08 and 378.60 is: 567.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028.04 : 1,541.08 = 378.60 : x
  2. Step 2: Convert to fraction form
    1,028.04/1,541.08 = 378.60/x
  3. Step 3: Cross multiply
    1,028.04x = 1,541.08 × 378.60
  4. Step 4: Simplify right side
    1,028.04x = 583,452.89
  5. Step 5: Solve for x
    x = 583,452.89/1,028.04
  6. Step 6: Final answer
    x = 567.54

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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.