Home / 3,420.96-4,715.52-2,424.08

Finding the Fourth Proportional to 3,420.96, 4,715.52 and 2,424.08

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Solution

The fourth proportional to 3,420.96, 4,715.52 and 2,424.08 is: 3,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.96 : 4,715.52 = 2,424.08 : x
  2. Step 2: Convert to fraction form
    3,420.96/4,715.52 = 2,424.08/x
  3. Step 3: Cross multiply
    3,420.96x = 4,715.52 × 2,424.08
  4. Step 4: Simplify right side
    3,420.96x = 11,430,797.72
  5. Step 5: Solve for x
    x = 11,430,797.72/3,420.96
  6. Step 6: Final answer
    x = 3,341.40

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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.