Home / 3,360.60-4,637.40-1,868.40

Finding the Fourth Proportional to 3,360.60, 4,637.40 and 1,868.40

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Solution

The fourth proportional to 3,360.60, 4,637.40 and 1,868.40 is: 2,578.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.60 : 4,637.40 = 1,868.40 : x
  2. Step 2: Convert to fraction form
    3,360.60/4,637.40 = 1,868.40/x
  3. Step 3: Cross multiply
    3,360.60x = 4,637.40 × 1,868.40
  4. Step 4: Simplify right side
    3,360.60x = 8,664,518.16
  5. Step 5: Solve for x
    x = 8,664,518.16/3,360.60
  6. Step 6: Final answer
    x = 2,578.27

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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.