Home / 2,070.16-2,856.64-1,185.92

Finding the Fourth Proportional to 2,070.16, 2,856.64 and 1,185.92

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Solution

The fourth proportional to 2,070.16, 2,856.64 and 1,185.92 is: 1,636.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,070.16 : 2,856.64 = 1,185.92 : x
  2. Step 2: Convert to fraction form
    2,070.16/2,856.64 = 1,185.92/x
  3. Step 3: Cross multiply
    2,070.16x = 2,856.64 × 1,185.92
  4. Step 4: Simplify right side
    2,070.16x = 3,387,746.51
  5. Step 5: Solve for x
    x = 3,387,746.51/2,070.16
  6. Step 6: Final answer
    x = 1,636.47

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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.