Home / 2,913.02-4,017.30-2,168.84

Finding the Fourth Proportional to 2,913.02, 4,017.30 and 2,168.84

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Solution

The fourth proportional to 2,913.02, 4,017.30 and 2,168.84 is: 2,991.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.02 : 4,017.30 = 2,168.84 : x
  2. Step 2: Convert to fraction form
    2,913.02/4,017.30 = 2,168.84/x
  3. Step 3: Cross multiply
    2,913.02x = 4,017.30 × 2,168.84
  4. Step 4: Simplify right side
    2,913.02x = 8,712,880.93
  5. Step 5: Solve for x
    x = 8,712,880.93/2,913.02
  6. Step 6: Final answer
    x = 2,991.01

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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.