Home / 3,430.52-5,152.05-3,141.35

Finding the Fourth Proportional to 3,430.52, 5,152.05 and 3,141.35

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Solution

The fourth proportional to 3,430.52, 5,152.05 and 3,141.35 is: 4,717.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.52 : 5,152.05 = 3,141.35 : x
  2. Step 2: Convert to fraction form
    3,430.52/5,152.05 = 3,141.35/x
  3. Step 3: Cross multiply
    3,430.52x = 5,152.05 × 3,141.35
  4. Step 4: Simplify right side
    3,430.52x = 16,184,366.51
  5. Step 5: Solve for x
    x = 16,184,366.51/3,430.52
  6. Step 6: Final answer
    x = 4,717.77

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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.