Home / 4,099.28-5,657.66-2,421.08

Finding the Fourth Proportional to 4,099.28, 5,657.66 and 2,421.08

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Solution

The fourth proportional to 4,099.28, 5,657.66 and 2,421.08 is: 3,341.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.28 : 5,657.66 = 2,421.08 : x
  2. Step 2: Convert to fraction form
    4,099.28/5,657.66 = 2,421.08/x
  3. Step 3: Cross multiply
    4,099.28x = 5,657.66 × 2,421.08
  4. Step 4: Simplify right side
    4,099.28x = 13,697,647.47
  5. Step 5: Solve for x
    x = 13,697,647.47/4,099.28
  6. Step 6: Final answer
    x = 3,341.48

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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.