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Finding the Fourth Proportional to 2,002.95, 3,004.58 and 542.08

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Solution

The fourth proportional to 2,002.95, 3,004.58 and 542.08 is: 813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,002.95 : 3,004.58 = 542.08 : x
  2. Step 2: Convert to fraction form
    2,002.95/3,004.58 = 542.08/x
  3. Step 3: Cross multiply
    2,002.95x = 3,004.58 × 542.08
  4. Step 4: Simplify right side
    2,002.95x = 1,628,712.50
  5. Step 5: Solve for x
    x = 1,628,712.50/2,002.95
  6. Step 6: Final answer
    x = 813.16

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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.