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Finding the Fourth Proportional to 2,030.78, 3,045.63 and 570.02

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Solution

The fourth proportional to 2,030.78, 3,045.63 and 570.02 is: 854.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,030.78 : 3,045.63 = 570.02 : x
  2. Step 2: Convert to fraction form
    2,030.78/3,045.63 = 570.02/x
  3. Step 3: Cross multiply
    2,030.78x = 3,045.63 × 570.02
  4. Step 4: Simplify right side
    2,030.78x = 1,736,070.01
  5. Step 5: Solve for x
    x = 1,736,070.01/2,030.78
  6. Step 6: Final answer
    x = 854.88

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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.