Home / 3,430.18-4,733.60-1,938.06

Finding the Fourth Proportional to 3,430.18, 4,733.60 and 1,938.06

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Solution

The fourth proportional to 3,430.18, 4,733.60 and 1,938.06 is: 2,674.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.18 : 4,733.60 = 1,938.06 : x
  2. Step 2: Convert to fraction form
    3,430.18/4,733.60 = 1,938.06/x
  3. Step 3: Cross multiply
    3,430.18x = 4,733.60 × 1,938.06
  4. Step 4: Simplify right side
    3,430.18x = 9,174,000.82
  5. Step 5: Solve for x
    x = 9,174,000.82/3,430.18
  6. Step 6: Final answer
    x = 2,674.50

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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.