Home / 3,460.10-5,188.47-1,610.78

Finding the Fourth Proportional to 3,460.10, 5,188.47 and 1,610.78

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Solution

The fourth proportional to 3,460.10, 5,188.47 and 1,610.78 is: 2,415.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,460.10 : 5,188.47 = 1,610.78 : x
  2. Step 2: Convert to fraction form
    3,460.10/5,188.47 = 1,610.78/x
  3. Step 3: Cross multiply
    3,460.10x = 5,188.47 × 1,610.78
  4. Step 4: Simplify right side
    3,460.10x = 8,357,483.71
  5. Step 5: Solve for x
    x = 8,357,483.71/3,460.10
  6. Step 6: Final answer
    x = 2,415.39

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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.