Home / 2,455.41-3,386.97-1,570.89

Finding the Fourth Proportional to 2,455.41, 3,386.97 and 1,570.89

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Solution

The fourth proportional to 2,455.41, 3,386.97 and 1,570.89 is: 2,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,455.41 : 3,386.97 = 1,570.89 : x
  2. Step 2: Convert to fraction form
    2,455.41/3,386.97 = 1,570.89/x
  3. Step 3: Cross multiply
    2,455.41x = 3,386.97 × 1,570.89
  4. Step 4: Simplify right side
    2,455.41x = 5,320,557.30
  5. Step 5: Solve for x
    x = 5,320,557.30/2,455.41
  6. Step 6: Final answer
    x = 2,166.87

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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.