Home / 1,929.48-2,895.77-1,097.07

Finding the Fourth Proportional to 1,929.48, 2,895.77 and 1,097.07

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Solution

The fourth proportional to 1,929.48, 2,895.77 and 1,097.07 is: 1,646.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,929.48 : 2,895.77 = 1,097.07 : x
  2. Step 2: Convert to fraction form
    1,929.48/2,895.77 = 1,097.07/x
  3. Step 3: Cross multiply
    1,929.48x = 2,895.77 × 1,097.07
  4. Step 4: Simplify right side
    1,929.48x = 3,176,862.39
  5. Step 5: Solve for x
    x = 3,176,862.39/1,929.48
  6. Step 6: Final answer
    x = 1,646.49

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1.5x scale

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.