Home / 2,913.31-4,019.40-1,654.24

Finding the Fourth Proportional to 2,913.31, 4,019.40 and 1,654.24

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Solution

The fourth proportional to 2,913.31, 4,019.40 and 1,654.24 is: 2,282.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,913.31 : 4,019.40 = 1,654.24 : x
  2. Step 2: Convert to fraction form
    2,913.31/4,019.40 = 1,654.24/x
  3. Step 3: Cross multiply
    2,913.31x = 4,019.40 × 1,654.24
  4. Step 4: Simplify right side
    2,913.31x = 6,649,052.26
  5. Step 5: Solve for x
    x = 6,649,052.26/2,913.31
  6. Step 6: Final answer
    x = 2,282.30

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1.5x scale

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.