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Finding the Fourth Proportional to 1,703.77, 2,555.55 and 608.07

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Solution

The fourth proportional to 1,703.77, 2,555.55 and 608.07 is: 912.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703.77 : 2,555.55 = 608.07 : x
  2. Step 2: Convert to fraction form
    1,703.77/2,555.55 = 608.07/x
  3. Step 3: Cross multiply
    1,703.77x = 2,555.55 × 608.07
  4. Step 4: Simplify right side
    1,703.77x = 1,553,962.87
  5. Step 5: Solve for x
    x = 1,553,962.87/1,703.77
  6. Step 6: Final answer
    x = 912.07

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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.