Home / 3,430.16-4,733.47-1,938.07

Finding the Fourth Proportional to 3,430.16, 4,733.47 and 1,938.07

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Solution

The fourth proportional to 3,430.16, 4,733.47 and 1,938.07 is: 2,674.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.16 : 4,733.47 = 1,938.07 : x
  2. Step 2: Convert to fraction form
    3,430.16/4,733.47 = 1,938.07/x
  3. Step 3: Cross multiply
    3,430.16x = 4,733.47 × 1,938.07
  4. Step 4: Simplify right side
    3,430.16x = 9,173,796.20
  5. Step 5: Solve for x
    x = 9,173,796.20/3,430.16
  6. Step 6: Final answer
    x = 2,674.45

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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.