Home / 1,587.08-2,376.48-1,277.24

Finding the Fourth Proportional to 1,587.08, 2,376.48 and 1,277.24

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Solution

The fourth proportional to 1,587.08, 2,376.48 and 1,277.24 is: 1,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.08 : 2,376.48 = 1,277.24 : x
  2. Step 2: Convert to fraction form
    1,587.08/2,376.48 = 1,277.24/x
  3. Step 3: Cross multiply
    1,587.08x = 2,376.48 × 1,277.24
  4. Step 4: Simplify right side
    1,587.08x = 3,035,335.32
  5. Step 5: Solve for x
    x = 3,035,335.32/1,587.08
  6. Step 6: Final answer
    x = 1,912.53

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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.