Home / 4,098.68-5,656.18-2,420.12

Finding the Fourth Proportional to 4,098.68, 5,656.18 and 2,420.12

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Solution

The fourth proportional to 4,098.68, 5,656.18 and 2,420.12 is: 3,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,098.68 : 5,656.18 = 2,420.12 : x
  2. Step 2: Convert to fraction form
    4,098.68/5,656.18 = 2,420.12/x
  3. Step 3: Cross multiply
    4,098.68x = 5,656.18 × 2,420.12
  4. Step 4: Simplify right side
    4,098.68x = 13,688,634.34
  5. Step 5: Solve for x
    x = 13,688,634.34/4,098.68
  6. Step 6: Final answer
    x = 3,339.77

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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.