Home / 1,533.64-2,115.63-973.93

Finding the Fourth Proportional to 1,533.64, 2,115.63 and 973.93

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Solution

The fourth proportional to 1,533.64, 2,115.63 and 973.93 is: 1,343.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533.64 : 2,115.63 = 973.93 : x
  2. Step 2: Convert to fraction form
    1,533.64/2,115.63 = 973.93/x
  3. Step 3: Cross multiply
    1,533.64x = 2,115.63 × 973.93
  4. Step 4: Simplify right side
    1,533.64x = 2,060,470.24
  5. Step 5: Solve for x
    x = 2,060,470.24/1,533.64
  6. Step 6: Final answer
    x = 1,343.52

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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.