Home / 3,030.10-4,542.90-1,570.30

Finding the Fourth Proportional to 3,030.10, 4,542.90 and 1,570.30

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Solution

The fourth proportional to 3,030.10, 4,542.90 and 1,570.30 is: 2,354.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,030.10 : 4,542.90 = 1,570.30 : x
  2. Step 2: Convert to fraction form
    3,030.10/4,542.90 = 1,570.30/x
  3. Step 3: Cross multiply
    3,030.10x = 4,542.90 × 1,570.30
  4. Step 4: Simplify right side
    3,030.10x = 7,133,715.87
  5. Step 5: Solve for x
    x = 7,133,715.87/3,030.10
  6. Step 6: Final answer
    x = 2,354.28

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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.