Home / 3,127.59-4,307.31-2,598.84

Finding the Fourth Proportional to 3,127.59, 4,307.31 and 2,598.84

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Solution

The fourth proportional to 3,127.59, 4,307.31 and 2,598.84 is: 3,579.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127.59 : 4,307.31 = 2,598.84 : x
  2. Step 2: Convert to fraction form
    3,127.59/4,307.31 = 2,598.84/x
  3. Step 3: Cross multiply
    3,127.59x = 4,307.31 × 2,598.84
  4. Step 4: Simplify right side
    3,127.59x = 11,194,009.52
  5. Step 5: Solve for x
    x = 11,194,009.52/3,127.59
  6. Step 6: Final answer
    x = 3,579.12

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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.