Home / 1,533.48-2,115.83-973.75

Finding the Fourth Proportional to 1,533.48, 2,115.83 and 973.75

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Solution

The fourth proportional to 1,533.48, 2,115.83 and 973.75 is: 1,343.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.48 : 2,115.83 = 973.75 : x
  2. Step 2: Convert to fraction form
    1,533.48/2,115.83 = 973.75/x
  3. Step 3: Cross multiply
    1,533.48x = 2,115.83 × 973.75
  4. Step 4: Simplify right side
    1,533.48x = 2,060,289.46
  5. Step 5: Solve for x
    x = 2,060,289.46/1,533.48
  6. Step 6: Final answer
    x = 1,343.54

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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.