Home / 2,359.12-3,533.29-1,127.39

Finding the Fourth Proportional to 2,359.12, 3,533.29 and 1,127.39

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Solution

The fourth proportional to 2,359.12, 3,533.29 and 1,127.39 is: 1,688.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,359.12 : 3,533.29 = 1,127.39 : x
  2. Step 2: Convert to fraction form
    2,359.12/3,533.29 = 1,127.39/x
  3. Step 3: Cross multiply
    2,359.12x = 3,533.29 × 1,127.39
  4. Step 4: Simplify right side
    2,359.12x = 3,983,395.81
  5. Step 5: Solve for x
    x = 3,983,395.81/2,359.12
  6. Step 6: Final answer
    x = 1,688.51

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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.