Home / 1,477.17-2,037.78-887.49

Finding the Fourth Proportional to 1,477.17, 2,037.78 and 887.49

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Solution

The fourth proportional to 1,477.17, 2,037.78 and 887.49 is: 1,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,477.17 : 2,037.78 = 887.49 : x
  2. Step 2: Convert to fraction form
    1,477.17/2,037.78 = 887.49/x
  3. Step 3: Cross multiply
    1,477.17x = 2,037.78 × 887.49
  4. Step 4: Simplify right side
    1,477.17x = 1,808,509.37
  5. Step 5: Solve for x
    x = 1,808,509.37/1,477.17
  6. Step 6: Final answer
    x = 1,224.31

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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.