Home / 2,857.24-3,941.74-1,737.76

Finding the Fourth Proportional to 2,857.24, 3,941.74 and 1,737.76

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Solution

The fourth proportional to 2,857.24, 3,941.74 and 1,737.76 is: 2,397.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,857.24 : 3,941.74 = 1,737.76 : x
  2. Step 2: Convert to fraction form
    2,857.24/3,941.74 = 1,737.76/x
  3. Step 3: Cross multiply
    2,857.24x = 3,941.74 × 1,737.76
  4. Step 4: Simplify right side
    2,857.24x = 6,849,798.10
  5. Step 5: Solve for x
    x = 6,849,798.10/2,857.24
  6. Step 6: Final answer
    x = 2,397.35

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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.