Home / 2,913.95-4,360.66-1,818.83

Finding the Fourth Proportional to 2,913.95, 4,360.66 and 1,818.83

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Solution

The fourth proportional to 2,913.95, 4,360.66 and 1,818.83 is: 2,721.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.95 : 4,360.66 = 1,818.83 : x
  2. Step 2: Convert to fraction form
    2,913.95/4,360.66 = 1,818.83/x
  3. Step 3: Cross multiply
    2,913.95x = 4,360.66 × 1,818.83
  4. Step 4: Simplify right side
    2,913.95x = 7,931,299.23
  5. Step 5: Solve for x
    x = 7,931,299.23/2,913.95
  6. Step 6: Final answer
    x = 2,721.84

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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.