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Finding the Fourth Proportional to 1,823.40, 2,733.48 and 848.16

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Solution

The fourth proportional to 1,823.40, 2,733.48 and 848.16 is: 1,271.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,823.40 : 2,733.48 = 848.16 : x
  2. Step 2: Convert to fraction form
    1,823.40/2,733.48 = 848.16/x
  3. Step 3: Cross multiply
    1,823.40x = 2,733.48 × 848.16
  4. Step 4: Simplify right side
    1,823.40x = 2,318,428.40
  5. Step 5: Solve for x
    x = 2,318,428.40/1,823.40
  6. Step 6: Final answer
    x = 1,271.49

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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.