Home / 1,756.02-2,632.77-831.07

Finding the Fourth Proportional to 1,756.02, 2,632.77 and 831.07

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Solution

The fourth proportional to 1,756.02, 2,632.77 and 831.07 is: 1,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,756.02 : 2,632.77 = 831.07 : x
  2. Step 2: Convert to fraction form
    1,756.02/2,632.77 = 831.07/x
  3. Step 3: Cross multiply
    1,756.02x = 2,632.77 × 831.07
  4. Step 4: Simplify right side
    1,756.02x = 2,188,016.16
  5. Step 5: Solve for x
    x = 2,188,016.16/1,756.02
  6. Step 6: Final answer
    x = 1,246.01

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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.