Home / 1,473.94-2,033.12-976.40

Finding the Fourth Proportional to 1,473.94, 2,033.12 and 976.40

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Solution

The fourth proportional to 1,473.94, 2,033.12 and 976.40 is: 1,346.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.94 : 2,033.12 = 976.40 : x
  2. Step 2: Convert to fraction form
    1,473.94/2,033.12 = 976.40/x
  3. Step 3: Cross multiply
    1,473.94x = 2,033.12 × 976.40
  4. Step 4: Simplify right side
    1,473.94x = 1,985,130.64
  5. Step 5: Solve for x
    x = 1,985,130.64/1,473.94
  6. Step 6: Final answer
    x = 1,346.82

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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.