Home / 2,431.02-3,645.19-1,043.49

Finding the Fourth Proportional to 2,431.02, 3,645.19 and 1,043.49

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Solution

The fourth proportional to 2,431.02, 3,645.19 and 1,043.49 is: 1,564.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.02 : 3,645.19 = 1,043.49 : x
  2. Step 2: Convert to fraction form
    2,431.02/3,645.19 = 1,043.49/x
  3. Step 3: Cross multiply
    2,431.02x = 3,645.19 × 1,043.49
  4. Step 4: Simplify right side
    2,431.02x = 3,803,719.31
  5. Step 5: Solve for x
    x = 3,803,719.31/2,431.02
  6. Step 6: Final answer
    x = 1,564.66

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1.5x scale

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.