Home / 3,006.20-4,146.98-1,885.02

Finding the Fourth Proportional to 3,006.20, 4,146.98 and 1,885.02

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Solution

The fourth proportional to 3,006.20, 4,146.98 and 1,885.02 is: 2,600.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,006.20 : 4,146.98 = 1,885.02 : x
  2. Step 2: Convert to fraction form
    3,006.20/4,146.98 = 1,885.02/x
  3. Step 3: Cross multiply
    3,006.20x = 4,146.98 × 1,885.02
  4. Step 4: Simplify right side
    3,006.20x = 7,817,130.81
  5. Step 5: Solve for x
    x = 7,817,130.81/3,006.20
  6. Step 6: Final answer
    x = 2,600.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.