Home / 2,030.79-2,802.47-1,146.63

Finding the Fourth Proportional to 2,030.79, 2,802.47 and 1,146.63

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Solution

The fourth proportional to 2,030.79, 2,802.47 and 1,146.63 is: 1,582.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.79 : 2,802.47 = 1,146.63 : x
  2. Step 2: Convert to fraction form
    2,030.79/2,802.47 = 1,146.63/x
  3. Step 3: Cross multiply
    2,030.79x = 2,802.47 × 1,146.63
  4. Step 4: Simplify right side
    2,030.79x = 3,213,396.18
  5. Step 5: Solve for x
    x = 3,213,396.18/2,030.79
  6. Step 6: Final answer
    x = 1,582.34

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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.