Home / 2,154.16-3,228.48-1,875.37

Finding the Fourth Proportional to 2,154.16, 3,228.48 and 1,875.37

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Solution

The fourth proportional to 2,154.16, 3,228.48 and 1,875.37 is: 2,810.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,154.16 : 3,228.48 = 1,875.37 : x
  2. Step 2: Convert to fraction form
    2,154.16/3,228.48 = 1,875.37/x
  3. Step 3: Cross multiply
    2,154.16x = 3,228.48 × 1,875.37
  4. Step 4: Simplify right side
    2,154.16x = 6,054,578.40
  5. Step 5: Solve for x
    x = 6,054,578.40/2,154.16
  6. Step 6: Final answer
    x = 2,810.65

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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.