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Finding the Fourth Proportional to 1,812.80, 2,482.91 and 1,706.41

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Solution

The fourth proportional to 1,812.80, 2,482.91 and 1,706.41 is: 2,337.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812.80 : 2,482.91 = 1,706.41 : x
  2. Step 2: Convert to fraction form
    1,812.80/2,482.91 = 1,706.41/x
  3. Step 3: Cross multiply
    1,812.80x = 2,482.91 × 1,706.41
  4. Step 4: Simplify right side
    1,812.80x = 4,236,862.45
  5. Step 5: Solve for x
    x = 4,236,862.45/1,812.80
  6. Step 6: Final answer
    x = 2,337.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.