Home / 3,314.73-4,574.32-1,898.42

Finding the Fourth Proportional to 3,314.73, 4,574.32 and 1,898.42

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Solution

The fourth proportional to 3,314.73, 4,574.32 and 1,898.42 is: 2,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.73 : 4,574.32 = 1,898.42 : x
  2. Step 2: Convert to fraction form
    3,314.73/4,574.32 = 1,898.42/x
  3. Step 3: Cross multiply
    3,314.73x = 4,574.32 × 1,898.42
  4. Step 4: Simplify right side
    3,314.73x = 8,683,980.57
  5. Step 5: Solve for x
    x = 8,683,980.57/3,314.73
  6. Step 6: Final answer
    x = 2,619.82

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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.