Home / 2,904.86-4,010.40-1,857.50

Finding the Fourth Proportional to 2,904.86, 4,010.40 and 1,857.50

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Solution

The fourth proportional to 2,904.86, 4,010.40 and 1,857.50 is: 2,564.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,904.86 : 4,010.40 = 1,857.50 : x
  2. Step 2: Convert to fraction form
    2,904.86/4,010.40 = 1,857.50/x
  3. Step 3: Cross multiply
    2,904.86x = 4,010.40 × 1,857.50
  4. Step 4: Simplify right side
    2,904.86x = 7,449,318
  5. Step 5: Solve for x
    x = 7,449,318/2,904.86
  6. Step 6: Final answer
    x = 2,564.43

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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.