Home / 2,998.40-4,134.65-2,580.17

Finding the Fourth Proportional to 2,998.40, 4,134.65 and 2,580.17

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Solution

The fourth proportional to 2,998.40, 4,134.65 and 2,580.17 is: 3,557.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,998.40 : 4,134.65 = 2,580.17 : x
  2. Step 2: Convert to fraction form
    2,998.40/4,134.65 = 2,580.17/x
  3. Step 3: Cross multiply
    2,998.40x = 4,134.65 × 2,580.17
  4. Step 4: Simplify right side
    2,998.40x = 10,668,066.32
  5. Step 5: Solve for x
    x = 10,668,066.32/2,998.40
  6. Step 6: Final answer
    x = 3,557.93

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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.