Home / 3,360.57-4,637.36-1,868.45

Finding the Fourth Proportional to 3,360.57, 4,637.36 and 1,868.45

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Solution

The fourth proportional to 3,360.57, 4,637.36 and 1,868.45 is: 2,578.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.57 : 4,637.36 = 1,868.45 : x
  2. Step 2: Convert to fraction form
    3,360.57/4,637.36 = 1,868.45/x
  3. Step 3: Cross multiply
    3,360.57x = 4,637.36 × 1,868.45
  4. Step 4: Simplify right side
    3,360.57x = 8,664,642.76
  5. Step 5: Solve for x
    x = 8,664,642.76/3,360.57
  6. Step 6: Final answer
    x = 2,578.33

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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.