Home / 2,941.35-4,058.98-1,615.20

Finding the Fourth Proportional to 2,941.35, 4,058.98 and 1,615.20

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Solution

The fourth proportional to 2,941.35, 4,058.98 and 1,615.20 is: 2,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,941.35 : 4,058.98 = 1,615.20 : x
  2. Step 2: Convert to fraction form
    2,941.35/4,058.98 = 1,615.20/x
  3. Step 3: Cross multiply
    2,941.35x = 4,058.98 × 1,615.20
  4. Step 4: Simplify right side
    2,941.35x = 6,556,064.50
  5. Step 5: Solve for x
    x = 6,556,064.50/2,941.35
  6. Step 6: Final answer
    x = 2,228.93

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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.