Home / 2,172.18-3,258.55-590.93

Finding the Fourth Proportional to 2,172.18, 3,258.55 and 590.93

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Solution

The fourth proportional to 2,172.18, 3,258.55 and 590.93 is: 886.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,172.18 : 3,258.55 = 590.93 : x
  2. Step 2: Convert to fraction form
    2,172.18/3,258.55 = 590.93/x
  3. Step 3: Cross multiply
    2,172.18x = 3,258.55 × 590.93
  4. Step 4: Simplify right side
    2,172.18x = 1,925,580.51
  5. Step 5: Solve for x
    x = 1,925,580.51/2,172.18
  6. Step 6: Final answer
    x = 886.47

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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.