Home / 1,565.41-2,335.31-1,307.07

Finding the Fourth Proportional to 1,565.41, 2,335.31 and 1,307.07

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Solution

The fourth proportional to 1,565.41, 2,335.31 and 1,307.07 is: 1,949.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,565.41 : 2,335.31 = 1,307.07 : x
  2. Step 2: Convert to fraction form
    1,565.41/2,335.31 = 1,307.07/x
  3. Step 3: Cross multiply
    1,565.41x = 2,335.31 × 1,307.07
  4. Step 4: Simplify right side
    1,565.41x = 3,052,418.18
  5. Step 5: Solve for x
    x = 3,052,418.18/1,565.41
  6. Step 6: Final answer
    x = 1,949.91

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.