Home / 3,314.75-4,574.27-1,970.15

Finding the Fourth Proportional to 3,314.75, 4,574.27 and 1,970.15

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Solution

The fourth proportional to 3,314.75, 4,574.27 and 1,970.15 is: 2,718.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,314.75 : 4,574.27 = 1,970.15 : x
  2. Step 2: Convert to fraction form
    3,314.75/4,574.27 = 1,970.15/x
  3. Step 3: Cross multiply
    3,314.75x = 4,574.27 × 1,970.15
  4. Step 4: Simplify right side
    3,314.75x = 9,011,980.09
  5. Step 5: Solve for x
    x = 9,011,980.09/3,314.75
  6. Step 6: Final answer
    x = 2,718.76

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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.