Home / 1,929.69-2,896.16-1,547.37

Finding the Fourth Proportional to 1,929.69, 2,896.16 and 1,547.37

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Solution

The fourth proportional to 1,929.69, 2,896.16 and 1,547.37 is: 2,322.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.69 : 2,896.16 = 1,547.37 : x
  2. Step 2: Convert to fraction form
    1,929.69/2,896.16 = 1,547.37/x
  3. Step 3: Cross multiply
    1,929.69x = 2,896.16 × 1,547.37
  4. Step 4: Simplify right side
    1,929.69x = 4,481,423.36
  5. Step 5: Solve for x
    x = 4,481,423.36/1,929.69
  6. Step 6: Final answer
    x = 2,322.35

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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.