Home / 3,070.30-4,609.67-1,590.55

Finding the Fourth Proportional to 3,070.30, 4,609.67 and 1,590.55

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Solution

The fourth proportional to 3,070.30, 4,609.67 and 1,590.55 is: 2,388.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,070.30 : 4,609.67 = 1,590.55 : x
  2. Step 2: Convert to fraction form
    3,070.30/4,609.67 = 1,590.55/x
  3. Step 3: Cross multiply
    3,070.30x = 4,609.67 × 1,590.55
  4. Step 4: Simplify right side
    3,070.30x = 7,331,893.72
  5. Step 5: Solve for x
    x = 7,331,893.72/3,070.30
  6. Step 6: Final answer
    x = 2,388.00

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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.