Home / 3,320.09-4,970.48-1,929.18

Finding the Fourth Proportional to 3,320.09, 4,970.48 and 1,929.18

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Solution

The fourth proportional to 3,320.09, 4,970.48 and 1,929.18 is: 2,888.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,320.09 : 4,970.48 = 1,929.18 : x
  2. Step 2: Convert to fraction form
    3,320.09/4,970.48 = 1,929.18/x
  3. Step 3: Cross multiply
    3,320.09x = 4,970.48 × 1,929.18
  4. Step 4: Simplify right side
    3,320.09x = 9,588,970.45
  5. Step 5: Solve for x
    x = 9,588,970.45/3,320.09
  6. Step 6: Final answer
    x = 2,888.17

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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.