Home / 3,502.47-4,831.26-2,085.21

Finding the Fourth Proportional to 3,502.47, 4,831.26 and 2,085.21

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Solution

The fourth proportional to 3,502.47, 4,831.26 and 2,085.21 is: 2,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,502.47 : 4,831.26 = 2,085.21 : x
  2. Step 2: Convert to fraction form
    3,502.47/4,831.26 = 2,085.21/x
  3. Step 3: Cross multiply
    3,502.47x = 4,831.26 × 2,085.21
  4. Step 4: Simplify right side
    3,502.47x = 10,074,191.66
  5. Step 5: Solve for x
    x = 10,074,191.66/3,502.47
  6. Step 6: Final answer
    x = 2,876.31

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1.5x scale

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.