Home / 2,537.40-3,809.70-1,565.40

Finding the Fourth Proportional to 2,537.40, 3,809.70 and 1,565.40

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Solution

The fourth proportional to 2,537.40, 3,809.70 and 1,565.40 is: 2,350.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,537.40 : 3,809.70 = 1,565.40 : x
  2. Step 2: Convert to fraction form
    2,537.40/3,809.70 = 1,565.40/x
  3. Step 3: Cross multiply
    2,537.40x = 3,809.70 × 1,565.40
  4. Step 4: Simplify right side
    2,537.40x = 5,963,704.38
  5. Step 5: Solve for x
    x = 5,963,704.38/2,537.40
  6. Step 6: Final answer
    x = 2,350.32

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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.