Home / 2,820.89-4,232.28-973.28

Finding the Fourth Proportional to 2,820.89, 4,232.28 and 973.28

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Solution

The fourth proportional to 2,820.89, 4,232.28 and 973.28 is: 1,460.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.89 : 4,232.28 = 973.28 : x
  2. Step 2: Convert to fraction form
    2,820.89/4,232.28 = 973.28/x
  3. Step 3: Cross multiply
    2,820.89x = 4,232.28 × 973.28
  4. Step 4: Simplify right side
    2,820.89x = 4,119,193.48
  5. Step 5: Solve for x
    x = 4,119,193.48/2,820.89
  6. Step 6: Final answer
    x = 1,460.25

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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.