Home / 2,657.18-3,665.81-1,712.77

Finding the Fourth Proportional to 2,657.18, 3,665.81 and 1,712.77

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Solution

The fourth proportional to 2,657.18, 3,665.81 and 1,712.77 is: 2,362.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657.18 : 3,665.81 = 1,712.77 : x
  2. Step 2: Convert to fraction form
    2,657.18/3,665.81 = 1,712.77/x
  3. Step 3: Cross multiply
    2,657.18x = 3,665.81 × 1,712.77
  4. Step 4: Simplify right side
    2,657.18x = 6,278,684.51
  5. Step 5: Solve for x
    x = 6,278,684.51/2,657.18
  6. Step 6: Final answer
    x = 2,362.91

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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.