Home / 2,587.64-3,570.36-2,169.68

Finding the Fourth Proportional to 2,587.64, 3,570.36 and 2,169.68

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Solution

The fourth proportional to 2,587.64, 3,570.36 and 2,169.68 is: 2,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.64 : 3,570.36 = 2,169.68 : x
  2. Step 2: Convert to fraction form
    2,587.64/3,570.36 = 2,169.68/x
  3. Step 3: Cross multiply
    2,587.64x = 3,570.36 × 2,169.68
  4. Step 4: Simplify right side
    2,587.64x = 7,746,538.68
  5. Step 5: Solve for x
    x = 7,746,538.68/2,587.64
  6. Step 6: Final answer
    x = 2,993.67

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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.