Home / 2,963.48-4,089.65-1,637.15

Finding the Fourth Proportional to 2,963.48, 4,089.65 and 1,637.15

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Solution

The fourth proportional to 2,963.48, 4,089.65 and 1,637.15 is: 2,259.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.48 : 4,089.65 = 1,637.15 : x
  2. Step 2: Convert to fraction form
    2,963.48/4,089.65 = 1,637.15/x
  3. Step 3: Cross multiply
    2,963.48x = 4,089.65 × 1,637.15
  4. Step 4: Simplify right side
    2,963.48x = 6,695,341.86
  5. Step 5: Solve for x
    x = 6,695,341.86/2,963.48
  6. Step 6: Final answer
    x = 2,259.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.