Home / 2,370.51-3,555.50-639.27

Finding the Fourth Proportional to 2,370.51, 3,555.50 and 639.27

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Solution

The fourth proportional to 2,370.51, 3,555.50 and 639.27 is: 958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.51 : 3,555.50 = 639.27 : x
  2. Step 2: Convert to fraction form
    2,370.51/3,555.50 = 639.27/x
  3. Step 3: Cross multiply
    2,370.51x = 3,555.50 × 639.27
  4. Step 4: Simplify right side
    2,370.51x = 2,272,921.29
  5. Step 5: Solve for x
    x = 2,272,921.29/2,370.51
  6. Step 6: Final answer
    x = 958.83

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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.