Home / 3,314.63-4,574.48-1,898.77

Finding the Fourth Proportional to 3,314.63, 4,574.48 and 1,898.77

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Solution

The fourth proportional to 3,314.63, 4,574.48 and 1,898.77 is: 2,620.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.63 : 4,574.48 = 1,898.77 : x
  2. Step 2: Convert to fraction form
    3,314.63/4,574.48 = 1,898.77/x
  3. Step 3: Cross multiply
    3,314.63x = 4,574.48 × 1,898.77
  4. Step 4: Simplify right side
    3,314.63x = 8,685,878.70
  5. Step 5: Solve for x
    x = 8,685,878.70/3,314.63
  6. Step 6: Final answer
    x = 2,620.47

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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.