Home / 3,430.02-4,733.28-1,917.66

Finding the Fourth Proportional to 3,430.02, 4,733.28 and 1,917.66

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Solution

The fourth proportional to 3,430.02, 4,733.28 and 1,917.66 is: 2,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,430.02 : 4,733.28 = 1,917.66 : x
  2. Step 2: Convert to fraction form
    3,430.02/4,733.28 = 1,917.66/x
  3. Step 3: Cross multiply
    3,430.02x = 4,733.28 × 1,917.66
  4. Step 4: Simplify right side
    3,430.02x = 9,076,821.72
  5. Step 5: Solve for x
    x = 9,076,821.72/3,430.02
  6. Step 6: Final answer
    x = 2,646.29

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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.