Home / 3,360.40-4,637.10-1,868.08

Finding the Fourth Proportional to 3,360.40, 4,637.10 and 1,868.08

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Solution

The fourth proportional to 3,360.40, 4,637.10 and 1,868.08 is: 2,577.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.40 : 4,637.10 = 1,868.08 : x
  2. Step 2: Convert to fraction form
    3,360.40/4,637.10 = 1,868.08/x
  3. Step 3: Cross multiply
    3,360.40x = 4,637.10 × 1,868.08
  4. Step 4: Simplify right side
    3,360.40x = 8,662,467.37
  5. Step 5: Solve for x
    x = 8,662,467.37/3,360.40
  6. Step 6: Final answer
    x = 2,577.81

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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.