Home / 1,647.57-2,275.05-1,176.93

Finding the Fourth Proportional to 1,647.57, 2,275.05 and 1,176.93

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Solution

The fourth proportional to 1,647.57, 2,275.05 and 1,176.93 is: 1,625.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,647.57 : 2,275.05 = 1,176.93 : x
  2. Step 2: Convert to fraction form
    1,647.57/2,275.05 = 1,176.93/x
  3. Step 3: Cross multiply
    1,647.57x = 2,275.05 × 1,176.93
  4. Step 4: Simplify right side
    1,647.57x = 2,677,579.01
  5. Step 5: Solve for x
    x = 2,677,579.01/1,647.57
  6. Step 6: Final answer
    x = 1,625.16

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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.