Home / 2,895.77-4,306.40-2,803.51

Finding the Fourth Proportional to 2,895.77, 4,306.40 and 2,803.51

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Solution

The fourth proportional to 2,895.77, 4,306.40 and 2,803.51 is: 4,169.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,895.77 : 4,306.40 = 2,803.51 : x
  2. Step 2: Convert to fraction form
    2,895.77/4,306.40 = 2,803.51/x
  3. Step 3: Cross multiply
    2,895.77x = 4,306.40 × 2,803.51
  4. Step 4: Simplify right side
    2,895.77x = 12,073,013.93
  5. Step 5: Solve for x
    x = 12,073,013.93/2,895.77
  6. Step 6: Final answer
    x = 4,169.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.