Home / 2,184.04-3,281.50-1,938.28

Finding the Fourth Proportional to 2,184.04, 3,281.50 and 1,938.28

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Solution

The fourth proportional to 2,184.04, 3,281.50 and 1,938.28 is: 2,912.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,184.04 : 3,281.50 = 1,938.28 : x
  2. Step 2: Convert to fraction form
    2,184.04/3,281.50 = 1,938.28/x
  3. Step 3: Cross multiply
    2,184.04x = 3,281.50 × 1,938.28
  4. Step 4: Simplify right side
    2,184.04x = 6,360,465.82
  5. Step 5: Solve for x
    x = 6,360,465.82/2,184.04
  6. Step 6: Final answer
    x = 2,912.25

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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.