Home / 2,574.41-3,861.63-1,685.69

Finding the Fourth Proportional to 2,574.41, 3,861.63 and 1,685.69

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Solution

The fourth proportional to 2,574.41, 3,861.63 and 1,685.69 is: 2,528.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.41 : 3,861.63 = 1,685.69 : x
  2. Step 2: Convert to fraction form
    2,574.41/3,861.63 = 1,685.69/x
  3. Step 3: Cross multiply
    2,574.41x = 3,861.63 × 1,685.69
  4. Step 4: Simplify right side
    2,574.41x = 6,509,491.77
  5. Step 5: Solve for x
    x = 6,509,491.77/2,574.41
  6. Step 6: Final answer
    x = 2,528.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.