Home / 2,895.39-4,341.87-1,140.12

Finding the Fourth Proportional to 2,895.39, 4,341.87 and 1,140.12

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Solution

The fourth proportional to 2,895.39, 4,341.87 and 1,140.12 is: 1,709.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.39 : 4,341.87 = 1,140.12 : x
  2. Step 2: Convert to fraction form
    2,895.39/4,341.87 = 1,140.12/x
  3. Step 3: Cross multiply
    2,895.39x = 4,341.87 × 1,140.12
  4. Step 4: Simplify right side
    2,895.39x = 4,950,252.82
  5. Step 5: Solve for x
    x = 4,950,252.82/2,895.39
  6. Step 6: Final answer
    x = 1,709.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.