Home / 3,430.70-5,148.52-1,484.30

Finding the Fourth Proportional to 3,430.70, 5,148.52 and 1,484.30

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Solution

The fourth proportional to 3,430.70, 5,148.52 and 1,484.30 is: 2,227.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.70 : 5,148.52 = 1,484.30 : x
  2. Step 2: Convert to fraction form
    3,430.70/5,148.52 = 1,484.30/x
  3. Step 3: Cross multiply
    3,430.70x = 5,148.52 × 1,484.30
  4. Step 4: Simplify right side
    3,430.70x = 7,641,948.24
  5. Step 5: Solve for x
    x = 7,641,948.24/3,430.70
  6. Step 6: Final answer
    x = 2,227.52

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1.5x scale

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.