Home / 2,587.53-3,861.28-2,310.65

Finding the Fourth Proportional to 2,587.53, 3,861.28 and 2,310.65

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Solution

The fourth proportional to 2,587.53, 3,861.28 and 2,310.65 is: 3,448.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.53 : 3,861.28 = 2,310.65 : x
  2. Step 2: Convert to fraction form
    2,587.53/3,861.28 = 2,310.65/x
  3. Step 3: Cross multiply
    2,587.53x = 3,861.28 × 2,310.65
  4. Step 4: Simplify right side
    2,587.53x = 8,922,066.63
  5. Step 5: Solve for x
    x = 8,922,066.63/2,587.53
  6. Step 6: Final answer
    x = 3,448.10

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1.5x scale

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.