Home / 3,887.19-5,830.11-1,254.69

Finding the Fourth Proportional to 3,887.19, 5,830.11 and 1,254.69

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Solution

The fourth proportional to 3,887.19, 5,830.11 and 1,254.69 is: 1,881.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.19 : 5,830.11 = 1,254.69 : x
  2. Step 2: Convert to fraction form
    3,887.19/5,830.11 = 1,254.69/x
  3. Step 3: Cross multiply
    3,887.19x = 5,830.11 × 1,254.69
  4. Step 4: Simplify right side
    3,887.19x = 7,314,980.72
  5. Step 5: Solve for x
    x = 7,314,980.72/3,887.19
  6. Step 6: Final answer
    x = 1,881.82

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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.