Home / 2,885.51-3,981.66-1,626.30

Finding the Fourth Proportional to 2,885.51, 3,981.66 and 1,626.30

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Solution

The fourth proportional to 2,885.51, 3,981.66 and 1,626.30 is: 2,244.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.51 : 3,981.66 = 1,626.30 : x
  2. Step 2: Convert to fraction form
    2,885.51/3,981.66 = 1,626.30/x
  3. Step 3: Cross multiply
    2,885.51x = 3,981.66 × 1,626.30
  4. Step 4: Simplify right side
    2,885.51x = 6,475,373.66
  5. Step 5: Solve for x
    x = 6,475,373.66/2,885.51
  6. Step 6: Final answer
    x = 2,244.10

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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.