Home / 2,510.65-3,464.41-1,391.50

Finding the Fourth Proportional to 2,510.65, 3,464.41 and 1,391.50

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Solution

The fourth proportional to 2,510.65, 3,464.41 and 1,391.50 is: 1,920.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,510.65 : 3,464.41 = 1,391.50 : x
  2. Step 2: Convert to fraction form
    2,510.65/3,464.41 = 1,391.50/x
  3. Step 3: Cross multiply
    2,510.65x = 3,464.41 × 1,391.50
  4. Step 4: Simplify right side
    2,510.65x = 4,820,702.24
  5. Step 5: Solve for x
    x = 4,820,702.24/2,510.65
  6. Step 6: Final answer
    x = 1,920.11

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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.