Home / 3,907.09-5,390.71-2,510.65

Finding the Fourth Proportional to 3,907.09, 5,390.71 and 2,510.65

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Solution

The fourth proportional to 3,907.09, 5,390.71 and 2,510.65 is: 3,464.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,907.09 : 5,390.71 = 2,510.65 : x
  2. Step 2: Convert to fraction form
    3,907.09/5,390.71 = 2,510.65/x
  3. Step 3: Cross multiply
    3,907.09x = 5,390.71 × 2,510.65
  4. Step 4: Simplify right side
    3,907.09x = 13,534,186.06
  5. Step 5: Solve for x
    x = 13,534,186.06/3,907.09
  6. Step 6: Final answer
    x = 3,464.01

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1.5x scale

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.