Home / 2,014.55-3,019.80-1,192.40

Finding the Fourth Proportional to 2,014.55, 3,019.80 and 1,192.40

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Solution

The fourth proportional to 2,014.55, 3,019.80 and 1,192.40 is: 1,787.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,014.55 : 3,019.80 = 1,192.40 : x
  2. Step 2: Convert to fraction form
    2,014.55/3,019.80 = 1,192.40/x
  3. Step 3: Cross multiply
    2,014.55x = 3,019.80 × 1,192.40
  4. Step 4: Simplify right side
    2,014.55x = 3,600,809.52
  5. Step 5: Solve for x
    x = 3,600,809.52/2,014.55
  6. Step 6: Final answer
    x = 1,787.40

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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.