Home / 2,219.58-3,332.44-1,124.71

Finding the Fourth Proportional to 2,219.58, 3,332.44 and 1,124.71

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Solution

The fourth proportional to 2,219.58, 3,332.44 and 1,124.71 is: 1,688.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,219.58 : 3,332.44 = 1,124.71 : x
  2. Step 2: Convert to fraction form
    2,219.58/3,332.44 = 1,124.71/x
  3. Step 3: Cross multiply
    2,219.58x = 3,332.44 × 1,124.71
  4. Step 4: Simplify right side
    2,219.58x = 3,748,031.04
  5. Step 5: Solve for x
    x = 3,748,031.04/2,219.58
  6. Step 6: Final answer
    x = 1,688.62

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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.