Home / 2,711.02-3,731.47-1,923.70

Finding the Fourth Proportional to 2,711.02, 3,731.47 and 1,923.70

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Solution

The fourth proportional to 2,711.02, 3,731.47 and 1,923.70 is: 2,647.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,711.02 : 3,731.47 = 1,923.70 : x
  2. Step 2: Convert to fraction form
    2,711.02/3,731.47 = 1,923.70/x
  3. Step 3: Cross multiply
    2,711.02x = 3,731.47 × 1,923.70
  4. Step 4: Simplify right side
    2,711.02x = 7,178,228.84
  5. Step 5: Solve for x
    x = 7,178,228.84/2,711.02
  6. Step 6: Final answer
    x = 2,647.80

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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.