Home / 3,117.99-4,303.71-1,843.05

Finding the Fourth Proportional to 3,117.99, 4,303.71 and 1,843.05

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Solution

The fourth proportional to 3,117.99, 4,303.71 and 1,843.05 is: 2,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117.99 : 4,303.71 = 1,843.05 : x
  2. Step 2: Convert to fraction form
    3,117.99/4,303.71 = 1,843.05/x
  3. Step 3: Cross multiply
    3,117.99x = 4,303.71 × 1,843.05
  4. Step 4: Simplify right side
    3,117.99x = 7,931,952.72
  5. Step 5: Solve for x
    x = 7,931,952.72/3,117.99
  6. Step 6: Final answer
    x = 2,543.93

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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.