Home / 1,533.93-2,115.68-973.92

Finding the Fourth Proportional to 1,533.93, 2,115.68 and 973.92

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Solution

The fourth proportional to 1,533.93, 2,115.68 and 973.92 is: 1,343.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.93 : 2,115.68 = 973.92 : x
  2. Step 2: Convert to fraction form
    1,533.93/2,115.68 = 973.92/x
  3. Step 3: Cross multiply
    1,533.93x = 2,115.68 × 973.92
  4. Step 4: Simplify right side
    1,533.93x = 2,060,498.20
  5. Step 5: Solve for x
    x = 2,060,498.20/1,533.93
  6. Step 6: Final answer
    x = 1,343.28

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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.