Home / 3,587.15-4,948.91-2,645.19

Finding the Fourth Proportional to 3,587.15, 4,948.91 and 2,645.19

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Solution

The fourth proportional to 3,587.15, 4,948.91 and 2,645.19 is: 3,649.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,587.15 : 4,948.91 = 2,645.19 : x
  2. Step 2: Convert to fraction form
    3,587.15/4,948.91 = 2,645.19/x
  3. Step 3: Cross multiply
    3,587.15x = 4,948.91 × 2,645.19
  4. Step 4: Simplify right side
    3,587.15x = 13,090,795.30
  5. Step 5: Solve for x
    x = 13,090,795.30/3,587.15
  6. Step 6: Final answer
    x = 3,649.36

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1.5x scale

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.