Home / 1,862.64-2,570.38-1,200.16

Finding the Fourth Proportional to 1,862.64, 2,570.38 and 1,200.16

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Solution

The fourth proportional to 1,862.64, 2,570.38 and 1,200.16 is: 1,656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862.64 : 2,570.38 = 1,200.16 : x
  2. Step 2: Convert to fraction form
    1,862.64/2,570.38 = 1,200.16/x
  3. Step 3: Cross multiply
    1,862.64x = 2,570.38 × 1,200.16
  4. Step 4: Simplify right side
    1,862.64x = 3,084,867.26
  5. Step 5: Solve for x
    x = 3,084,867.26/1,862.64
  6. Step 6: Final answer
    x = 1,656.18

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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.