Home / 3,314.54-4,574.61-1,988.51

Finding the Fourth Proportional to 3,314.54, 4,574.61 and 1,988.51

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Solution

The fourth proportional to 3,314.54, 4,574.61 and 1,988.51 is: 2,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.54 : 4,574.61 = 1,988.51 : x
  2. Step 2: Convert to fraction form
    3,314.54/4,574.61 = 1,988.51/x
  3. Step 3: Cross multiply
    3,314.54x = 4,574.61 × 1,988.51
  4. Step 4: Simplify right side
    3,314.54x = 9,096,634.86
  5. Step 5: Solve for x
    x = 9,096,634.86/3,314.54
  6. Step 6: Final answer
    x = 2,744.46

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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.