Home / 3,451.02-4,762.30-1,917.94

Finding the Fourth Proportional to 3,451.02, 4,762.30 and 1,917.94

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Solution

The fourth proportional to 3,451.02, 4,762.30 and 1,917.94 is: 2,646.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,451.02 : 4,762.30 = 1,917.94 : x
  2. Step 2: Convert to fraction form
    3,451.02/4,762.30 = 1,917.94/x
  3. Step 3: Cross multiply
    3,451.02x = 4,762.30 × 1,917.94
  4. Step 4: Simplify right side
    3,451.02x = 9,133,816.28
  5. Step 5: Solve for x
    x = 9,133,816.28/3,451.02
  6. Step 6: Final answer
    x = 2,646.70

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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.