Home / 2,910.04-4,015.74-1,731.64

Finding the Fourth Proportional to 2,910.04, 4,015.74 and 1,731.64

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Solution

The fourth proportional to 2,910.04, 4,015.74 and 1,731.64 is: 2,389.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,910.04 : 4,015.74 = 1,731.64 : x
  2. Step 2: Convert to fraction form
    2,910.04/4,015.74 = 1,731.64/x
  3. Step 3: Cross multiply
    2,910.04x = 4,015.74 × 1,731.64
  4. Step 4: Simplify right side
    2,910.04x = 6,953,816.01
  5. Step 5: Solve for x
    x = 6,953,816.01/2,910.04
  6. Step 6: Final answer
    x = 2,389.59

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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.