Home / 2,648.16-3,657.15-1,903.77

Finding the Fourth Proportional to 2,648.16, 3,657.15 and 1,903.77

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Solution

The fourth proportional to 2,648.16, 3,657.15 and 1,903.77 is: 2,629.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,648.16 : 3,657.15 = 1,903.77 : x
  2. Step 2: Convert to fraction form
    2,648.16/3,657.15 = 1,903.77/x
  3. Step 3: Cross multiply
    2,648.16x = 3,657.15 × 1,903.77
  4. Step 4: Simplify right side
    2,648.16x = 6,962,372.46
  5. Step 5: Solve for x
    x = 6,962,372.46/2,648.16
  6. Step 6: Final answer
    x = 2,629.14

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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.