Home / 2,587.51-3,568.67-1,691.18

Finding the Fourth Proportional to 2,587.51, 3,568.67 and 1,691.18

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Solution

The fourth proportional to 2,587.51, 3,568.67 and 1,691.18 is: 2,332.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.51 : 3,568.67 = 1,691.18 : x
  2. Step 2: Convert to fraction form
    2,587.51/3,568.67 = 1,691.18/x
  3. Step 3: Cross multiply
    2,587.51x = 3,568.67 × 1,691.18
  4. Step 4: Simplify right side
    2,587.51x = 6,035,245.49
  5. Step 5: Solve for x
    x = 6,035,245.49/2,587.51
  6. Step 6: Final answer
    x = 2,332.46

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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.