Home / 2,941.28-4,058.40-1,893.20

Finding the Fourth Proportional to 2,941.28, 4,058.40 and 1,893.20

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Solution

The fourth proportional to 2,941.28, 4,058.40 and 1,893.20 is: 2,612.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.28 : 4,058.40 = 1,893.20 : x
  2. Step 2: Convert to fraction form
    2,941.28/4,058.40 = 1,893.20/x
  3. Step 3: Cross multiply
    2,941.28x = 4,058.40 × 1,893.20
  4. Step 4: Simplify right side
    2,941.28x = 7,683,362.88
  5. Step 5: Solve for x
    x = 7,683,362.88/2,941.28
  6. Step 6: Final answer
    x = 2,612.25

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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.