Home / 2,895.79-3,996.19-1,569.50

Finding the Fourth Proportional to 2,895.79, 3,996.19 and 1,569.50

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Solution

The fourth proportional to 2,895.79, 3,996.19 and 1,569.50 is: 2,165.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.79 : 3,996.19 = 1,569.50 : x
  2. Step 2: Convert to fraction form
    2,895.79/3,996.19 = 1,569.50/x
  3. Step 3: Cross multiply
    2,895.79x = 3,996.19 × 1,569.50
  4. Step 4: Simplify right side
    2,895.79x = 6,272,002.19
  5. Step 5: Solve for x
    x = 6,272,002.19/2,895.79
  6. Step 6: Final answer
    x = 2,165.90

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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.