Home / 2,903.64-4,356.78-2,657.55

Finding the Fourth Proportional to 2,903.64, 4,356.78 and 2,657.55

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Solution

The fourth proportional to 2,903.64, 4,356.78 and 2,657.55 is: 3,987.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,903.64 : 4,356.78 = 2,657.55 : x
  2. Step 2: Convert to fraction form
    2,903.64/4,356.78 = 2,657.55/x
  3. Step 3: Cross multiply
    2,903.64x = 4,356.78 × 2,657.55
  4. Step 4: Simplify right side
    2,903.64x = 11,578,360.69
  5. Step 5: Solve for x
    x = 11,578,360.69/2,903.64
  6. Step 6: Final answer
    x = 3,987.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.