Home / 1,739.48-2,399.99-1,031.01

Finding the Fourth Proportional to 1,739.48, 2,399.99 and 1,031.01

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Solution

The fourth proportional to 1,739.48, 2,399.99 and 1,031.01 is: 1,422.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,739.48 : 2,399.99 = 1,031.01 : x
  2. Step 2: Convert to fraction form
    1,739.48/2,399.99 = 1,031.01/x
  3. Step 3: Cross multiply
    1,739.48x = 2,399.99 × 1,031.01
  4. Step 4: Simplify right side
    1,739.48x = 2,474,408.53
  5. Step 5: Solve for x
    x = 2,474,408.53/1,739.48
  6. Step 6: Final answer
    x = 1,422.50

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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.