Home / 4,127.40-5,695.80-2,358.99

Finding the Fourth Proportional to 4,127.40, 5,695.80 and 2,358.99

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Solution

The fourth proportional to 4,127.40, 5,695.80 and 2,358.99 is: 3,255.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,127.40 : 5,695.80 = 2,358.99 : x
  2. Step 2: Convert to fraction form
    4,127.40/5,695.80 = 2,358.99/x
  3. Step 3: Cross multiply
    4,127.40x = 5,695.80 × 2,358.99
  4. Step 4: Simplify right side
    4,127.40x = 13,436,335.24
  5. Step 5: Solve for x
    x = 13,436,335.24/4,127.40
  6. Step 6: Final answer
    x = 3,255.40

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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.