Home / 2,907.74-4,013.07-1,862.84

Finding the Fourth Proportional to 2,907.74, 4,013.07 and 1,862.84

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Solution

The fourth proportional to 2,907.74, 4,013.07 and 1,862.84 is: 2,570.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,907.74 : 4,013.07 = 1,862.84 : x
  2. Step 2: Convert to fraction form
    2,907.74/4,013.07 = 1,862.84/x
  3. Step 3: Cross multiply
    2,907.74x = 4,013.07 × 1,862.84
  4. Step 4: Simplify right side
    2,907.74x = 7,475,707.32
  5. Step 5: Solve for x
    x = 7,475,707.32/2,907.74
  6. Step 6: Final answer
    x = 2,570.97

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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.