Home / 1,904.05-2,628.09-1,707.22

Finding the Fourth Proportional to 1,904.05, 2,628.09 and 1,707.22

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Solution

The fourth proportional to 1,904.05, 2,628.09 and 1,707.22 is: 2,356.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904.05 : 2,628.09 = 1,707.22 : x
  2. Step 2: Convert to fraction form
    1,904.05/2,628.09 = 1,707.22/x
  3. Step 3: Cross multiply
    1,904.05x = 2,628.09 × 1,707.22
  4. Step 4: Simplify right side
    1,904.05x = 4,486,727.81
  5. Step 5: Solve for x
    x = 4,486,727.81/1,904.05
  6. Step 6: Final answer
    x = 2,356.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.