Home / 2,637.70-3,953.35-1,175.30

Finding the Fourth Proportional to 2,637.70, 3,953.35 and 1,175.30

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Solution

The fourth proportional to 2,637.70, 3,953.35 and 1,175.30 is: 1,761.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.70 : 3,953.35 = 1,175.30 : x
  2. Step 2: Convert to fraction form
    2,637.70/3,953.35 = 1,175.30/x
  3. Step 3: Cross multiply
    2,637.70x = 3,953.35 × 1,175.30
  4. Step 4: Simplify right side
    2,637.70x = 4,646,372.26
  5. Step 5: Solve for x
    x = 4,646,372.26/2,637.70
  6. Step 6: Final answer
    x = 1,761.52

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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.