Home / 3,314.79-4,574.73-1,898.68

Finding the Fourth Proportional to 3,314.79, 4,574.73 and 1,898.68

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Solution

The fourth proportional to 3,314.79, 4,574.73 and 1,898.68 is: 2,620.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.79 : 4,574.73 = 1,898.68 : x
  2. Step 2: Convert to fraction form
    3,314.79/4,574.73 = 1,898.68/x
  3. Step 3: Cross multiply
    3,314.79x = 4,574.73 × 1,898.68
  4. Step 4: Simplify right side
    3,314.79x = 8,685,948.36
  5. Step 5: Solve for x
    x = 8,685,948.36/3,314.79
  6. Step 6: Final answer
    x = 2,620.36

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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.