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Finding the Fourth Proportional to 1,465.84, 2,022.86 and 802.69

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Solution

The fourth proportional to 1,465.84, 2,022.86 and 802.69 is: 1,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.84 : 2,022.86 = 802.69 : x
  2. Step 2: Convert to fraction form
    1,465.84/2,022.86 = 802.69/x
  3. Step 3: Cross multiply
    1,465.84x = 2,022.86 × 802.69
  4. Step 4: Simplify right side
    1,465.84x = 1,623,736.56
  5. Step 5: Solve for x
    x = 1,623,736.56/1,465.84
  6. Step 6: Final answer
    x = 1,107.72

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1.5x scale

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.