Home / 2,207.98-3,045.80-1,356.77

Finding the Fourth Proportional to 2,207.98, 3,045.80 and 1,356.77

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Solution

The fourth proportional to 2,207.98, 3,045.80 and 1,356.77 is: 1,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,207.98 : 3,045.80 = 1,356.77 : x
  2. Step 2: Convert to fraction form
    2,207.98/3,045.80 = 1,356.77/x
  3. Step 3: Cross multiply
    2,207.98x = 3,045.80 × 1,356.77
  4. Step 4: Simplify right side
    2,207.98x = 4,132,443.94
  5. Step 5: Solve for x
    x = 4,132,443.94/2,207.98
  6. Step 6: Final answer
    x = 1,871.60

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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.