Home / 3,090.65-4,636.31-1,530.35

Finding the Fourth Proportional to 3,090.65, 4,636.31 and 1,530.35

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Solution

The fourth proportional to 3,090.65, 4,636.31 and 1,530.35 is: 2,295.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.65 : 4,636.31 = 1,530.35 : x
  2. Step 2: Convert to fraction form
    3,090.65/4,636.31 = 1,530.35/x
  3. Step 3: Cross multiply
    3,090.65x = 4,636.31 × 1,530.35
  4. Step 4: Simplify right side
    3,090.65x = 7,095,146.18
  5. Step 5: Solve for x
    x = 7,095,146.18/3,090.65
  6. Step 6: Final answer
    x = 2,295.68

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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.