Home / 2,870.60-4,305.90-2,506.10

Finding the Fourth Proportional to 2,870.60, 4,305.90 and 2,506.10

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Solution

The fourth proportional to 2,870.60, 4,305.90 and 2,506.10 is: 3,759.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.60 : 4,305.90 = 2,506.10 : x
  2. Step 2: Convert to fraction form
    2,870.60/4,305.90 = 2,506.10/x
  3. Step 3: Cross multiply
    2,870.60x = 4,305.90 × 2,506.10
  4. Step 4: Simplify right side
    2,870.60x = 10,791,015.99
  5. Step 5: Solve for x
    x = 10,791,015.99/2,870.60
  6. Step 6: Final answer
    x = 3,759.15

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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.