Home / 3,562.12-4,915.74-2,070.91

Finding the Fourth Proportional to 3,562.12, 4,915.74 and 2,070.91

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Solution

The fourth proportional to 3,562.12, 4,915.74 and 2,070.91 is: 2,857.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,562.12 : 4,915.74 = 2,070.91 : x
  2. Step 2: Convert to fraction form
    3,562.12/4,915.74 = 2,070.91/x
  3. Step 3: Cross multiply
    3,562.12x = 4,915.74 × 2,070.91
  4. Step 4: Simplify right side
    3,562.12x = 10,180,055.12
  5. Step 5: Solve for x
    x = 10,180,055.12/3,562.12
  6. Step 6: Final answer
    x = 2,857.86

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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.