Home / 4,210.40-5,811.12-2,637.59

Finding the Fourth Proportional to 4,210.40, 5,811.12 and 2,637.59

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Solution

The fourth proportional to 4,210.40, 5,811.12 and 2,637.59 is: 3,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,210.40 : 5,811.12 = 2,637.59 : x
  2. Step 2: Convert to fraction form
    4,210.40/5,811.12 = 2,637.59/x
  3. Step 3: Cross multiply
    4,210.40x = 5,811.12 × 2,637.59
  4. Step 4: Simplify right side
    4,210.40x = 15,327,322.95
  5. Step 5: Solve for x
    x = 15,327,322.95/4,210.40
  6. Step 6: Final answer
    x = 3,640.35

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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.