Home / 1,867.47-2,801.21-1,864.77

Finding the Fourth Proportional to 1,867.47, 2,801.21 and 1,864.77

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Solution

The fourth proportional to 1,867.47, 2,801.21 and 1,864.77 is: 2,797.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867.47 : 2,801.21 = 1,864.77 : x
  2. Step 2: Convert to fraction form
    1,867.47/2,801.21 = 1,864.77/x
  3. Step 3: Cross multiply
    1,867.47x = 2,801.21 × 1,864.77
  4. Step 4: Simplify right side
    1,867.47x = 5,223,603.05
  5. Step 5: Solve for x
    x = 5,223,603.05/1,867.47
  6. Step 6: Final answer
    x = 2,797.16

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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.