Home / 2,964.72-4,090.14-1,785.63

Finding the Fourth Proportional to 2,964.72, 4,090.14 and 1,785.63

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Solution

The fourth proportional to 2,964.72, 4,090.14 and 1,785.63 is: 2,463.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,964.72 : 4,090.14 = 1,785.63 : x
  2. Step 2: Convert to fraction form
    2,964.72/4,090.14 = 1,785.63/x
  3. Step 3: Cross multiply
    2,964.72x = 4,090.14 × 1,785.63
  4. Step 4: Simplify right side
    2,964.72x = 7,303,476.69
  5. Step 5: Solve for x
    x = 7,303,476.69/2,964.72
  6. Step 6: Final answer
    x = 2,463.46

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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.