Home / 1,574.06-2,172.74-1,352.12

Finding the Fourth Proportional to 1,574.06, 2,172.74 and 1,352.12

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Solution

The fourth proportional to 1,574.06, 2,172.74 and 1,352.12 is: 1,866.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574.06 : 2,172.74 = 1,352.12 : x
  2. Step 2: Convert to fraction form
    1,574.06/2,172.74 = 1,352.12/x
  3. Step 3: Cross multiply
    1,574.06x = 2,172.74 × 1,352.12
  4. Step 4: Simplify right side
    1,574.06x = 2,937,787.58
  5. Step 5: Solve for x
    x = 2,937,787.58/1,574.06
  6. Step 6: Final answer
    x = 1,866.38

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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.