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Finding the Fourth Proportional to 2,347.58, 3,239.57 and 1,299.57

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Solution

The fourth proportional to 2,347.58, 3,239.57 and 1,299.57 is: 1,793.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,347.58 : 3,239.57 = 1,299.57 : x
  2. Step 2: Convert to fraction form
    2,347.58/3,239.57 = 1,299.57/x
  3. Step 3: Cross multiply
    2,347.58x = 3,239.57 × 1,299.57
  4. Step 4: Simplify right side
    2,347.58x = 4,210,051.23
  5. Step 5: Solve for x
    x = 4,210,051.23/2,347.58
  6. Step 6: Final answer
    x = 1,793.36

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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.