Home / 4,085.02-6,128.36-1,619.93

Finding the Fourth Proportional to 4,085.02, 6,128.36 and 1,619.93

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Solution

The fourth proportional to 4,085.02, 6,128.36 and 1,619.93 is: 2,430.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.02 : 6,128.36 = 1,619.93 : x
  2. Step 2: Convert to fraction form
    4,085.02/6,128.36 = 1,619.93/x
  3. Step 3: Cross multiply
    4,085.02x = 6,128.36 × 1,619.93
  4. Step 4: Simplify right side
    4,085.02x = 9,927,527.51
  5. Step 5: Solve for x
    x = 9,927,527.51/4,085.02
  6. Step 6: Final answer
    x = 2,430.23

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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.