Home / 3,090.95-4,265.58-1,831.98

Finding the Fourth Proportional to 3,090.95, 4,265.58 and 1,831.98

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Solution

The fourth proportional to 3,090.95, 4,265.58 and 1,831.98 is: 2,528.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,090.95 : 4,265.58 = 1,831.98 : x
  2. Step 2: Convert to fraction form
    3,090.95/4,265.58 = 1,831.98/x
  3. Step 3: Cross multiply
    3,090.95x = 4,265.58 × 1,831.98
  4. Step 4: Simplify right side
    3,090.95x = 7,814,457.25
  5. Step 5: Solve for x
    x = 7,814,457.25/3,090.95
  6. Step 6: Final answer
    x = 2,528.17

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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.