Home / 2,377.65-3,280.63-1,383.02

Finding the Fourth Proportional to 2,377.65, 3,280.63 and 1,383.02

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Solution

The fourth proportional to 2,377.65, 3,280.63 and 1,383.02 is: 1,908.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,377.65 : 3,280.63 = 1,383.02 : x
  2. Step 2: Convert to fraction form
    2,377.65/3,280.63 = 1,383.02/x
  3. Step 3: Cross multiply
    2,377.65x = 3,280.63 × 1,383.02
  4. Step 4: Simplify right side
    2,377.65x = 4,537,153.58
  5. Step 5: Solve for x
    x = 4,537,153.58/2,377.65
  6. Step 6: Final answer
    x = 1,908.25

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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.