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Finding the Fourth Proportional to 1,602.83, 2,211.69 and 973.49

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Solution

The fourth proportional to 1,602.83, 2,211.69 and 973.49 is: 1,343.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,602.83 : 2,211.69 = 973.49 : x
  2. Step 2: Convert to fraction form
    1,602.83/2,211.69 = 973.49/x
  3. Step 3: Cross multiply
    1,602.83x = 2,211.69 × 973.49
  4. Step 4: Simplify right side
    1,602.83x = 2,153,063.63
  5. Step 5: Solve for x
    x = 2,153,063.63/1,602.83
  6. Step 6: Final answer
    x = 1,343.29

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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.