Home / 2,637.63-3,953.84-1,248.53

Finding the Fourth Proportional to 2,637.63, 3,953.84 and 1,248.53

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Solution

The fourth proportional to 2,637.63, 3,953.84 and 1,248.53 is: 1,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.63 : 3,953.84 = 1,248.53 : x
  2. Step 2: Convert to fraction form
    2,637.63/3,953.84 = 1,248.53/x
  3. Step 3: Cross multiply
    2,637.63x = 3,953.84 × 1,248.53
  4. Step 4: Simplify right side
    2,637.63x = 4,936,461.84
  5. Step 5: Solve for x
    x = 4,936,461.84/2,637.63
  6. Step 6: Final answer
    x = 1,871.55

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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.