Home / 2,099.04-3,132.16-1,880.40

Finding the Fourth Proportional to 2,099.04, 3,132.16 and 1,880.40

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Solution

The fourth proportional to 2,099.04, 3,132.16 and 1,880.40 is: 2,805.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,099.04 : 3,132.16 = 1,880.40 : x
  2. Step 2: Convert to fraction form
    2,099.04/3,132.16 = 1,880.40/x
  3. Step 3: Cross multiply
    2,099.04x = 3,132.16 × 1,880.40
  4. Step 4: Simplify right side
    2,099.04x = 5,889,713.66
  5. Step 5: Solve for x
    x = 5,889,713.66/2,099.04
  6. Step 6: Final answer
    x = 2,805.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.