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Finding the Fourth Proportional to 2,840.07, 4,238.51 and 2,652.07

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Solution

The fourth proportional to 2,840.07, 4,238.51 and 2,652.07 is: 3,957.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,840.07 : 4,238.51 = 2,652.07 : x
  2. Step 2: Convert to fraction form
    2,840.07/4,238.51 = 2,652.07/x
  3. Step 3: Cross multiply
    2,840.07x = 4,238.51 × 2,652.07
  4. Step 4: Simplify right side
    2,840.07x = 11,240,790.76
  5. Step 5: Solve for x
    x = 11,240,790.76/2,840.07
  6. Step 6: Final answer
    x = 3,957.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.