Home / 2,870.18-3,961.14-1,751.87

Finding the Fourth Proportional to 2,870.18, 3,961.14 and 1,751.87

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Solution

The fourth proportional to 2,870.18, 3,961.14 and 1,751.87 is: 2,417.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.18 : 3,961.14 = 1,751.87 : x
  2. Step 2: Convert to fraction form
    2,870.18/3,961.14 = 1,751.87/x
  3. Step 3: Cross multiply
    2,870.18x = 3,961.14 × 1,751.87
  4. Step 4: Simplify right side
    2,870.18x = 6,939,402.33
  5. Step 5: Solve for x
    x = 6,939,402.33/2,870.18
  6. Step 6: Final answer
    x = 2,417.76

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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.