Home / 2,680.39-4,019.95-1,510.91

Finding the Fourth Proportional to 2,680.39, 4,019.95 and 1,510.91

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Solution

The fourth proportional to 2,680.39, 4,019.95 and 1,510.91 is: 2,266.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,680.39 : 4,019.95 = 1,510.91 : x
  2. Step 2: Convert to fraction form
    2,680.39/4,019.95 = 1,510.91/x
  3. Step 3: Cross multiply
    2,680.39x = 4,019.95 × 1,510.91
  4. Step 4: Simplify right side
    2,680.39x = 6,073,782.65
  5. Step 5: Solve for x
    x = 6,073,782.65/2,680.39
  6. Step 6: Final answer
    x = 2,266.01

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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.