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Finding the Fourth Proportional to 1,473.54, 2,210.58 and 486.41

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Solution

The fourth proportional to 1,473.54, 2,210.58 and 486.41 is: 729.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,473.54 : 2,210.58 = 486.41 : x
  2. Step 2: Convert to fraction form
    1,473.54/2,210.58 = 486.41/x
  3. Step 3: Cross multiply
    1,473.54x = 2,210.58 × 486.41
  4. Step 4: Simplify right side
    1,473.54x = 1,075,248.22
  5. Step 5: Solve for x
    x = 1,075,248.22/1,473.54
  6. Step 6: Final answer
    x = 729.70

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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.