Home / 1,816.55-2,726.44-951.47

Finding the Fourth Proportional to 1,816.55, 2,726.44 and 951.47

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Solution

The fourth proportional to 1,816.55, 2,726.44 and 951.47 is: 1,428.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,816.55 : 2,726.44 = 951.47 : x
  2. Step 2: Convert to fraction form
    1,816.55/2,726.44 = 951.47/x
  3. Step 3: Cross multiply
    1,816.55x = 2,726.44 × 951.47
  4. Step 4: Simplify right side
    1,816.55x = 2,594,125.87
  5. Step 5: Solve for x
    x = 2,594,125.87/1,816.55
  6. Step 6: Final answer
    x = 1,428.05

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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.