Home / 2,685.60-3,706.29-1,637.67

Finding the Fourth Proportional to 2,685.60, 3,706.29 and 1,637.67

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Solution

The fourth proportional to 2,685.60, 3,706.29 and 1,637.67 is: 2,260.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,685.60 : 3,706.29 = 1,637.67 : x
  2. Step 2: Convert to fraction form
    2,685.60/3,706.29 = 1,637.67/x
  3. Step 3: Cross multiply
    2,685.60x = 3,706.29 × 1,637.67
  4. Step 4: Simplify right side
    2,685.60x = 6,069,679.94
  5. Step 5: Solve for x
    x = 6,069,679.94/2,685.60
  6. Step 6: Final answer
    x = 2,260.08

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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.