Home / 2,339.77-3,229.53-1,455.05

Finding the Fourth Proportional to 2,339.77, 3,229.53 and 1,455.05

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Solution

The fourth proportional to 2,339.77, 3,229.53 and 1,455.05 is: 2,008.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,339.77 : 3,229.53 = 1,455.05 : x
  2. Step 2: Convert to fraction form
    2,339.77/3,229.53 = 1,455.05/x
  3. Step 3: Cross multiply
    2,339.77x = 3,229.53 × 1,455.05
  4. Step 4: Simplify right side
    2,339.77x = 4,699,127.63
  5. Step 5: Solve for x
    x = 4,699,127.63/2,339.77
  6. Step 6: Final answer
    x = 2,008.37

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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.