Home / 2,637.96-3,957.63-1,543.08

Finding the Fourth Proportional to 2,637.96, 3,957.63 and 1,543.08

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Solution

The fourth proportional to 2,637.96, 3,957.63 and 1,543.08 is: 2,315.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,637.96 : 3,957.63 = 1,543.08 : x
  2. Step 2: Convert to fraction form
    2,637.96/3,957.63 = 1,543.08/x
  3. Step 3: Cross multiply
    2,637.96x = 3,957.63 × 1,543.08
  4. Step 4: Simplify right side
    2,637.96x = 6,106,939.70
  5. Step 5: Solve for x
    x = 6,106,939.70/2,637.96
  6. Step 6: Final answer
    x = 2,315.02

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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.