Home / 3,407.34-5,111.14-1,558.56

Finding the Fourth Proportional to 3,407.34, 5,111.14 and 1,558.56

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Solution

The fourth proportional to 3,407.34, 5,111.14 and 1,558.56 is: 2,337.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,407.34 : 5,111.14 = 1,558.56 : x
  2. Step 2: Convert to fraction form
    3,407.34/5,111.14 = 1,558.56/x
  3. Step 3: Cross multiply
    3,407.34x = 5,111.14 × 1,558.56
  4. Step 4: Simplify right side
    3,407.34x = 7,966,018.36
  5. Step 5: Solve for x
    x = 7,966,018.36/3,407.34
  6. Step 6: Final answer
    x = 2,337.90

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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.