Home / 1,533.33-2,113.60-1,284.21

Finding the Fourth Proportional to 1,533.33, 2,113.60 and 1,284.21

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Solution

The fourth proportional to 1,533.33, 2,113.60 and 1,284.21 is: 1,770.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.33 : 2,113.60 = 1,284.21 : x
  2. Step 2: Convert to fraction form
    1,533.33/2,113.60 = 1,284.21/x
  3. Step 3: Cross multiply
    1,533.33x = 2,113.60 × 1,284.21
  4. Step 4: Simplify right side
    1,533.33x = 2,714,306.26
  5. Step 5: Solve for x
    x = 2,714,306.26/1,533.33
  6. Step 6: Final answer
    x = 1,770.20

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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.