Home / 1,477.29-2,039.54-1,313.28

Finding the Fourth Proportional to 1,477.29, 2,039.54 and 1,313.28

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Solution

The fourth proportional to 1,477.29, 2,039.54 and 1,313.28 is: 1,813.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.29 : 2,039.54 = 1,313.28 : x
  2. Step 2: Convert to fraction form
    1,477.29/2,039.54 = 1,313.28/x
  3. Step 3: Cross multiply
    1,477.29x = 2,039.54 × 1,313.28
  4. Step 4: Simplify right side
    1,477.29x = 2,678,480.52
  5. Step 5: Solve for x
    x = 2,678,480.52/1,477.29
  6. Step 6: Final answer
    x = 1,813.10

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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.