Home / 2,499.72-3,742.64-1,623.24

Finding the Fourth Proportional to 2,499.72, 3,742.64 and 1,623.24

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Solution

The fourth proportional to 2,499.72, 3,742.64 and 1,623.24 is: 2,430.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,499.72 : 3,742.64 = 1,623.24 : x
  2. Step 2: Convert to fraction form
    2,499.72/3,742.64 = 1,623.24/x
  3. Step 3: Cross multiply
    2,499.72x = 3,742.64 × 1,623.24
  4. Step 4: Simplify right side
    2,499.72x = 6,075,176.12
  5. Step 5: Solve for x
    x = 6,075,176.12/2,499.72
  6. Step 6: Final answer
    x = 2,430.35

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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.