Home / 2,587.77-3,883.95-1,707.81

Finding the Fourth Proportional to 2,587.77, 3,883.95 and 1,707.81

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Solution

The fourth proportional to 2,587.77, 3,883.95 and 1,707.81 is: 2,563.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.77 : 3,883.95 = 1,707.81 : x
  2. Step 2: Convert to fraction form
    2,587.77/3,883.95 = 1,707.81/x
  3. Step 3: Cross multiply
    2,587.77x = 3,883.95 × 1,707.81
  4. Step 4: Simplify right side
    2,587.77x = 6,633,048.65
  5. Step 5: Solve for x
    x = 6,633,048.65/2,587.77
  6. Step 6: Final answer
    x = 2,563.23

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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.