Home / 2,369.64-3,554.14-1,215.40

Finding the Fourth Proportional to 2,369.64, 3,554.14 and 1,215.40

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Solution

The fourth proportional to 2,369.64, 3,554.14 and 1,215.40 is: 1,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,369.64 : 3,554.14 = 1,215.40 : x
  2. Step 2: Convert to fraction form
    2,369.64/3,554.14 = 1,215.40/x
  3. Step 3: Cross multiply
    2,369.64x = 3,554.14 × 1,215.40
  4. Step 4: Simplify right side
    2,369.64x = 4,319,701.76
  5. Step 5: Solve for x
    x = 4,319,701.76/2,369.64
  6. Step 6: Final answer
    x = 1,822.94

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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.