Home / 3,280.42-4,527.02-1,788.32

Finding the Fourth Proportional to 3,280.42, 4,527.02 and 1,788.32

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Solution

The fourth proportional to 3,280.42, 4,527.02 and 1,788.32 is: 2,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280.42 : 4,527.02 = 1,788.32 : x
  2. Step 2: Convert to fraction form
    3,280.42/4,527.02 = 1,788.32/x
  3. Step 3: Cross multiply
    3,280.42x = 4,527.02 × 1,788.32
  4. Step 4: Simplify right side
    3,280.42x = 8,095,762.78
  5. Step 5: Solve for x
    x = 8,095,762.78/3,280.42
  6. Step 6: Final answer
    x = 2,467.91

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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.