Home / 2,217.60-3,326.40-1,526.40

Finding the Fourth Proportional to 2,217.60, 3,326.40 and 1,526.40

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Solution

The fourth proportional to 2,217.60, 3,326.40 and 1,526.40 is: 2,289.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,217.60 : 3,326.40 = 1,526.40 : x
  2. Step 2: Convert to fraction form
    2,217.60/3,326.40 = 1,526.40/x
  3. Step 3: Cross multiply
    2,217.60x = 3,326.40 × 1,526.40
  4. Step 4: Simplify right side
    2,217.60x = 5,077,416.96
  5. Step 5: Solve for x
    x = 5,077,416.96/2,217.60
  6. Step 6: Final answer
    x = 2,289.60

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1.5x scale

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.