Home / 2,913.02-4,019.90-1,654.08

Finding the Fourth Proportional to 2,913.02, 4,019.90 and 1,654.08

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Solution

The fourth proportional to 2,913.02, 4,019.90 and 1,654.08 is: 2,282.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.02 : 4,019.90 = 1,654.08 : x
  2. Step 2: Convert to fraction form
    2,913.02/4,019.90 = 1,654.08/x
  3. Step 3: Cross multiply
    2,913.02x = 4,019.90 × 1,654.08
  4. Step 4: Simplify right side
    2,913.02x = 6,649,236.19
  5. Step 5: Solve for x
    x = 6,649,236.19/2,913.02
  6. Step 6: Final answer
    x = 2,282.59

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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.