Home / 3,070.04-4,237.06-1,874.78

Finding the Fourth Proportional to 3,070.04, 4,237.06 and 1,874.78

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Solution

The fourth proportional to 3,070.04, 4,237.06 and 1,874.78 is: 2,587.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.04 : 4,237.06 = 1,874.78 : x
  2. Step 2: Convert to fraction form
    3,070.04/4,237.06 = 1,874.78/x
  3. Step 3: Cross multiply
    3,070.04x = 4,237.06 × 1,874.78
  4. Step 4: Simplify right side
    3,070.04x = 7,943,529.47
  5. Step 5: Solve for x
    x = 7,943,529.47/3,070.04
  6. Step 6: Final answer
    x = 2,587.43

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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.