Home / 3,440.28-4,746.08-2,642.19

Finding the Fourth Proportional to 3,440.28, 4,746.08 and 2,642.19

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Solution

The fourth proportional to 3,440.28, 4,746.08 and 2,642.19 is: 3,645.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.28 : 4,746.08 = 2,642.19 : x
  2. Step 2: Convert to fraction form
    3,440.28/4,746.08 = 2,642.19/x
  3. Step 3: Cross multiply
    3,440.28x = 4,746.08 × 2,642.19
  4. Step 4: Simplify right side
    3,440.28x = 12,540,031.90
  5. Step 5: Solve for x
    x = 12,540,031.90/3,440.28
  6. Step 6: Final answer
    x = 3,645.06

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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.