Home / 1,533.36-2,114.64-1,001.76

Finding the Fourth Proportional to 1,533.36, 2,114.64 and 1,001.76

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Solution

The fourth proportional to 1,533.36, 2,114.64 and 1,001.76 is: 1,381.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.36 : 2,114.64 = 1,001.76 : x
  2. Step 2: Convert to fraction form
    1,533.36/2,114.64 = 1,001.76/x
  3. Step 3: Cross multiply
    1,533.36x = 2,114.64 × 1,001.76
  4. Step 4: Simplify right side
    1,533.36x = 2,118,361.77
  5. Step 5: Solve for x
    x = 2,118,361.77/1,533.36
  6. Step 6: Final answer
    x = 1,381.52

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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.