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Finding the Fourth Proportional to 1,597.51, 2,397.20 and 673.01

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Solution

The fourth proportional to 1,597.51, 2,397.20 and 673.01 is: 1,009.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,597.51 : 2,397.20 = 673.01 : x
  2. Step 2: Convert to fraction form
    1,597.51/2,397.20 = 673.01/x
  3. Step 3: Cross multiply
    1,597.51x = 2,397.20 × 673.01
  4. Step 4: Simplify right side
    1,597.51x = 1,613,333.21
  5. Step 5: Solve for x
    x = 1,613,333.21/1,597.51
  6. Step 6: Final answer
    x = 1,009.90

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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.