Home / 2,587.60-3,573.44-1,645.17

Finding the Fourth Proportional to 2,587.60, 3,573.44 and 1,645.17

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Solution

The fourth proportional to 2,587.60, 3,573.44 and 1,645.17 is: 2,271.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.60 : 3,573.44 = 1,645.17 : x
  2. Step 2: Convert to fraction form
    2,587.60/3,573.44 = 1,645.17/x
  3. Step 3: Cross multiply
    2,587.60x = 3,573.44 × 1,645.17
  4. Step 4: Simplify right side
    2,587.60x = 5,878,916.28
  5. Step 5: Solve for x
    x = 5,878,916.28/2,587.60
  6. Step 6: Final answer
    x = 2,271.96

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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.