Home / 3,070.44-4,237.88-1,875.68

Finding the Fourth Proportional to 3,070.44, 4,237.88 and 1,875.68

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Solution

The fourth proportional to 3,070.44, 4,237.88 and 1,875.68 is: 2,588.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.44 : 4,237.88 = 1,875.68 : x
  2. Step 2: Convert to fraction form
    3,070.44/4,237.88 = 1,875.68/x
  3. Step 3: Cross multiply
    3,070.44x = 4,237.88 × 1,875.68
  4. Step 4: Simplify right side
    3,070.44x = 7,948,906.76
  5. Step 5: Solve for x
    x = 7,948,906.76/3,070.44
  6. Step 6: Final answer
    x = 2,588.85

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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.