Home / 4,130.64-5,701.40-2,557.88

Finding the Fourth Proportional to 4,130.64, 5,701.40 and 2,557.88

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Solution

The fourth proportional to 4,130.64, 5,701.40 and 2,557.88 is: 3,530.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.64 : 5,701.40 = 2,557.88 : x
  2. Step 2: Convert to fraction form
    4,130.64/5,701.40 = 2,557.88/x
  3. Step 3: Cross multiply
    4,130.64x = 5,701.40 × 2,557.88
  4. Step 4: Simplify right side
    4,130.64x = 14,583,497.03
  5. Step 5: Solve for x
    x = 14,583,497.03/4,130.64
  6. Step 6: Final answer
    x = 3,530.57

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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.