Home / 2,030.61-2,802.21-1,146.70

Finding the Fourth Proportional to 2,030.61, 2,802.21 and 1,146.70

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Solution

The fourth proportional to 2,030.61, 2,802.21 and 1,146.70 is: 1,582.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.61 : 2,802.21 = 1,146.70 : x
  2. Step 2: Convert to fraction form
    2,030.61/2,802.21 = 1,146.70/x
  3. Step 3: Cross multiply
    2,030.61x = 2,802.21 × 1,146.70
  4. Step 4: Simplify right side
    2,030.61x = 3,213,280.20
  5. Step 5: Solve for x
    x = 3,213,280.20/2,030.61
  6. Step 6: Final answer
    x = 1,582.42

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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.