Home / 2,818.68-4,230.59-1,503.55

Finding the Fourth Proportional to 2,818.68, 4,230.59 and 1,503.55

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Solution

The fourth proportional to 2,818.68, 4,230.59 and 1,503.55 is: 2,256.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,818.68 : 4,230.59 = 1,503.55 : x
  2. Step 2: Convert to fraction form
    2,818.68/4,230.59 = 1,503.55/x
  3. Step 3: Cross multiply
    2,818.68x = 4,230.59 × 1,503.55
  4. Step 4: Simplify right side
    2,818.68x = 6,360,885.50
  5. Step 5: Solve for x
    x = 6,360,885.50/2,818.68
  6. Step 6: Final answer
    x = 2,256.69

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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.