Home / 1,637.32-2,455.34-1,051.48

Finding the Fourth Proportional to 1,637.32, 2,455.34 and 1,051.48

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Solution

The fourth proportional to 1,637.32, 2,455.34 and 1,051.48 is: 1,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637.32 : 2,455.34 = 1,051.48 : x
  2. Step 2: Convert to fraction form
    1,637.32/2,455.34 = 1,051.48/x
  3. Step 3: Cross multiply
    1,637.32x = 2,455.34 × 1,051.48
  4. Step 4: Simplify right side
    1,637.32x = 2,581,740.90
  5. Step 5: Solve for x
    x = 2,581,740.90/1,637.32
  6. Step 6: Final answer
    x = 1,576.81

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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.