Home / 1,533.16-2,110.28-1,281.64

Finding the Fourth Proportional to 1,533.16, 2,110.28 and 1,281.64

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Solution

The fourth proportional to 1,533.16, 2,110.28 and 1,281.64 is: 1,764.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.16 : 2,110.28 = 1,281.64 : x
  2. Step 2: Convert to fraction form
    1,533.16/2,110.28 = 1,281.64/x
  3. Step 3: Cross multiply
    1,533.16x = 2,110.28 × 1,281.64
  4. Step 4: Simplify right side
    1,533.16x = 2,704,619.26
  5. Step 5: Solve for x
    x = 2,704,619.26/1,533.16
  6. Step 6: Final answer
    x = 1,764.08

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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.