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Finding the Fourth Proportional to 3,064.80, 4,597.20 and 1,420.92

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Solution

The fourth proportional to 3,064.80, 4,597.20 and 1,420.92 is: 2,131.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,064.80 : 4,597.20 = 1,420.92 : x
  2. Step 2: Convert to fraction form
    3,064.80/4,597.20 = 1,420.92/x
  3. Step 3: Cross multiply
    3,064.80x = 4,597.20 × 1,420.92
  4. Step 4: Simplify right side
    3,064.80x = 6,532,253.42
  5. Step 5: Solve for x
    x = 6,532,253.42/3,064.80
  6. Step 6: Final answer
    x = 2,131.38

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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.