Home / 2,827.24-4,242.16-1,439.87

Finding the Fourth Proportional to 2,827.24, 4,242.16 and 1,439.87

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Solution

The fourth proportional to 2,827.24, 4,242.16 and 1,439.87 is: 2,160.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.24 : 4,242.16 = 1,439.87 : x
  2. Step 2: Convert to fraction form
    2,827.24/4,242.16 = 1,439.87/x
  3. Step 3: Cross multiply
    2,827.24x = 4,242.16 × 1,439.87
  4. Step 4: Simplify right side
    2,827.24x = 6,108,130.51
  5. Step 5: Solve for x
    x = 6,108,130.51/2,827.24
  6. Step 6: Final answer
    x = 2,160.46

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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.