Home / 2,890.13-4,341.07-2,551.15

Finding the Fourth Proportional to 2,890.13, 4,341.07 and 2,551.15

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Solution

The fourth proportional to 2,890.13, 4,341.07 and 2,551.15 is: 3,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,890.13 : 4,341.07 = 2,551.15 : x
  2. Step 2: Convert to fraction form
    2,890.13/4,341.07 = 2,551.15/x
  3. Step 3: Cross multiply
    2,890.13x = 4,341.07 × 2,551.15
  4. Step 4: Simplify right side
    2,890.13x = 11,074,703.50
  5. Step 5: Solve for x
    x = 11,074,703.50/2,890.13
  6. Step 6: Final answer
    x = 3,831.90

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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.