Home / 1,621.98-2,253.51-1,602.54

Finding the Fourth Proportional to 1,621.98, 2,253.51 and 1,602.54

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Solution

The fourth proportional to 1,621.98, 2,253.51 and 1,602.54 is: 2,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,621.98 : 2,253.51 = 1,602.54 : x
  2. Step 2: Convert to fraction form
    1,621.98/2,253.51 = 1,602.54/x
  3. Step 3: Cross multiply
    1,621.98x = 2,253.51 × 1,602.54
  4. Step 4: Simplify right side
    1,621.98x = 3,611,339.92
  5. Step 5: Solve for x
    x = 3,611,339.92/1,621.98
  6. Step 6: Final answer
    x = 2,226.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.