Home / 2,402.75-3,314.62-1,870.70

Finding the Fourth Proportional to 2,402.75, 3,314.62 and 1,870.70

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Solution

The fourth proportional to 2,402.75, 3,314.62 and 1,870.70 is: 2,580.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,402.75 : 3,314.62 = 1,870.70 : x
  2. Step 2: Convert to fraction form
    2,402.75/3,314.62 = 1,870.70/x
  3. Step 3: Cross multiply
    2,402.75x = 3,314.62 × 1,870.70
  4. Step 4: Simplify right side
    2,402.75x = 6,200,645.40
  5. Step 5: Solve for x
    x = 6,200,645.40/2,402.75
  6. Step 6: Final answer
    x = 2,580.64

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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.