Home / 2,430.17-3,642.48-2,137.10

Finding the Fourth Proportional to 2,430.17, 3,642.48 and 2,137.10

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Solution

The fourth proportional to 2,430.17, 3,642.48 and 2,137.10 is: 3,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,430.17 : 3,642.48 = 2,137.10 : x
  2. Step 2: Convert to fraction form
    2,430.17/3,642.48 = 2,137.10/x
  3. Step 3: Cross multiply
    2,430.17x = 3,642.48 × 2,137.10
  4. Step 4: Simplify right side
    2,430.17x = 7,784,353.11
  5. Step 5: Solve for x
    x = 7,784,353.11/2,430.17
  6. Step 6: Final answer
    x = 3,203.22

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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.