Home / 2,574.19-3,551.19-1,511.61

Finding the Fourth Proportional to 2,574.19, 3,551.19 and 1,511.61

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Solution

The fourth proportional to 2,574.19, 3,551.19 and 1,511.61 is: 2,085.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,574.19 : 3,551.19 = 1,511.61 : x
  2. Step 2: Convert to fraction form
    2,574.19/3,551.19 = 1,511.61/x
  3. Step 3: Cross multiply
    2,574.19x = 3,551.19 × 1,511.61
  4. Step 4: Simplify right side
    2,574.19x = 5,368,014.32
  5. Step 5: Solve for x
    x = 5,368,014.32/2,574.19
  6. Step 6: Final answer
    x = 2,085.32

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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.