Home / 2,070.81-2,851.94-1,718.26

Finding the Fourth Proportional to 2,070.81, 2,851.94 and 1,718.26

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Solution

The fourth proportional to 2,070.81, 2,851.94 and 1,718.26 is: 2,366.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.81 : 2,851.94 = 1,718.26 : x
  2. Step 2: Convert to fraction form
    2,070.81/2,851.94 = 1,718.26/x
  3. Step 3: Cross multiply
    2,070.81x = 2,851.94 × 1,718.26
  4. Step 4: Simplify right side
    2,070.81x = 4,900,371.59
  5. Step 5: Solve for x
    x = 4,900,371.59/2,070.81
  6. Step 6: Final answer
    x = 2,366.40

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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.