Home / 2,030.55-2,802.21-1,146.18

Finding the Fourth Proportional to 2,030.55, 2,802.21 and 1,146.18

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Solution

The fourth proportional to 2,030.55, 2,802.21 and 1,146.18 is: 1,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.55 : 2,802.21 = 1,146.18 : x
  2. Step 2: Convert to fraction form
    2,030.55/2,802.21 = 1,146.18/x
  3. Step 3: Cross multiply
    2,030.55x = 2,802.21 × 1,146.18
  4. Step 4: Simplify right side
    2,030.55x = 3,211,837.06
  5. Step 5: Solve for x
    x = 3,211,837.06/2,030.55
  6. Step 6: Final answer
    x = 1,581.76

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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.