Home / 1,715.54-2,574.51-1,196.78

Finding the Fourth Proportional to 1,715.54, 2,574.51 and 1,196.78

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Solution

The fourth proportional to 1,715.54, 2,574.51 and 1,196.78 is: 1,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715.54 : 2,574.51 = 1,196.78 : x
  2. Step 2: Convert to fraction form
    1,715.54/2,574.51 = 1,196.78/x
  3. Step 3: Cross multiply
    1,715.54x = 2,574.51 × 1,196.78
  4. Step 4: Simplify right side
    1,715.54x = 3,081,122.08
  5. Step 5: Solve for x
    x = 3,081,122.08/1,715.54
  6. Step 6: Final answer
    x = 1,796.01

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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.