Home / 3,134.10-4,324.95-1,807.62

Finding the Fourth Proportional to 3,134.10, 4,324.95 and 1,807.62

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Solution

The fourth proportional to 3,134.10, 4,324.95 and 1,807.62 is: 2,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.10 : 4,324.95 = 1,807.62 : x
  2. Step 2: Convert to fraction form
    3,134.10/4,324.95 = 1,807.62/x
  3. Step 3: Cross multiply
    3,134.10x = 4,324.95 × 1,807.62
  4. Step 4: Simplify right side
    3,134.10x = 7,817,866.12
  5. Step 5: Solve for x
    x = 7,817,866.12/3,134.10
  6. Step 6: Final answer
    x = 2,494.45

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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.