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Finding the Fourth Proportional to 1,976.32, 2,964.63 and 589.64

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Solution

The fourth proportional to 1,976.32, 2,964.63 and 589.64 is: 884.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976.32 : 2,964.63 = 589.64 : x
  2. Step 2: Convert to fraction form
    1,976.32/2,964.63 = 589.64/x
  3. Step 3: Cross multiply
    1,976.32x = 2,964.63 × 589.64
  4. Step 4: Simplify right side
    1,976.32x = 1,748,051.82
  5. Step 5: Solve for x
    x = 1,748,051.82/1,976.32
  6. Step 6: Final answer
    x = 884.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.