Home / 3,070.90-4,608.06-1,124.38

Finding the Fourth Proportional to 3,070.90, 4,608.06 and 1,124.38

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Solution

The fourth proportional to 3,070.90, 4,608.06 and 1,124.38 is: 1,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.90 : 4,608.06 = 1,124.38 : x
  2. Step 2: Convert to fraction form
    3,070.90/4,608.06 = 1,124.38/x
  3. Step 3: Cross multiply
    3,070.90x = 4,608.06 × 1,124.38
  4. Step 4: Simplify right side
    3,070.90x = 5,181,210.50
  5. Step 5: Solve for x
    x = 5,181,210.50/3,070.90
  6. Step 6: Final answer
    x = 1,687.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.