Home / 2,235.61-3,084.11-1,395.77

Finding the Fourth Proportional to 2,235.61, 3,084.11 and 1,395.77

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Solution

The fourth proportional to 2,235.61, 3,084.11 and 1,395.77 is: 1,925.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,235.61 : 3,084.11 = 1,395.77 : x
  2. Step 2: Convert to fraction form
    2,235.61/3,084.11 = 1,395.77/x
  3. Step 3: Cross multiply
    2,235.61x = 3,084.11 × 1,395.77
  4. Step 4: Simplify right side
    2,235.61x = 4,304,701.24
  5. Step 5: Solve for x
    x = 4,304,701.24/2,235.61
  6. Step 6: Final answer
    x = 1,925.52

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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.