Home / 2,618.02-3,925.80-1,056.76

Finding the Fourth Proportional to 2,618.02, 3,925.80 and 1,056.76

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Solution

The fourth proportional to 2,618.02, 3,925.80 and 1,056.76 is: 1,584.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,618.02 : 3,925.80 = 1,056.76 : x
  2. Step 2: Convert to fraction form
    2,618.02/3,925.80 = 1,056.76/x
  3. Step 3: Cross multiply
    2,618.02x = 3,925.80 × 1,056.76
  4. Step 4: Simplify right side
    2,618.02x = 4,148,628.41
  5. Step 5: Solve for x
    x = 4,148,628.41/2,618.02
  6. Step 6: Final answer
    x = 1,584.64

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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.