Home / 1,533.66-2,114.57-1,297.19

Finding the Fourth Proportional to 1,533.66, 2,114.57 and 1,297.19

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Solution

The fourth proportional to 1,533.66, 2,114.57 and 1,297.19 is: 1,788.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.66 : 2,114.57 = 1,297.19 : x
  2. Step 2: Convert to fraction form
    1,533.66/2,114.57 = 1,297.19/x
  3. Step 3: Cross multiply
    1,533.66x = 2,114.57 × 1,297.19
  4. Step 4: Simplify right side
    1,533.66x = 2,742,982.00
  5. Step 5: Solve for x
    x = 2,742,982.00/1,533.66
  6. Step 6: Final answer
    x = 1,788.52

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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.