Home / 2,376.90-3,280.27-1,328.96

Finding the Fourth Proportional to 2,376.90, 3,280.27 and 1,328.96

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Solution

The fourth proportional to 2,376.90, 3,280.27 and 1,328.96 is: 1,834.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,376.90 : 3,280.27 = 1,328.96 : x
  2. Step 2: Convert to fraction form
    2,376.90/3,280.27 = 1,328.96/x
  3. Step 3: Cross multiply
    2,376.90x = 3,280.27 × 1,328.96
  4. Step 4: Simplify right side
    2,376.90x = 4,359,347.62
  5. Step 5: Solve for x
    x = 4,359,347.62/2,376.90
  6. Step 6: Final answer
    x = 1,834.05

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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.