Home / 2,370.21-3,555.15-983.19

Finding the Fourth Proportional to 2,370.21, 3,555.15 and 983.19

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Solution

The fourth proportional to 2,370.21, 3,555.15 and 983.19 is: 1,474.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,370.21 : 3,555.15 = 983.19 : x
  2. Step 2: Convert to fraction form
    2,370.21/3,555.15 = 983.19/x
  3. Step 3: Cross multiply
    2,370.21x = 3,555.15 × 983.19
  4. Step 4: Simplify right side
    2,370.21x = 3,495,387.93
  5. Step 5: Solve for x
    x = 3,495,387.93/2,370.21
  6. Step 6: Final answer
    x = 1,474.72

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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.