Home / 2,981.37-4,114.08-1,655.03

Finding the Fourth Proportional to 2,981.37, 4,114.08 and 1,655.03

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Solution

The fourth proportional to 2,981.37, 4,114.08 and 1,655.03 is: 2,283.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.37 : 4,114.08 = 1,655.03 : x
  2. Step 2: Convert to fraction form
    2,981.37/4,114.08 = 1,655.03/x
  3. Step 3: Cross multiply
    2,981.37x = 4,114.08 × 1,655.03
  4. Step 4: Simplify right side
    2,981.37x = 6,808,905.25
  5. Step 5: Solve for x
    x = 6,808,905.25/2,981.37
  6. Step 6: Final answer
    x = 2,283.82

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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.