Home / 1,886.90-2,844.32-1,564.31

Finding the Fourth Proportional to 1,886.90, 2,844.32 and 1,564.31

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Solution

The fourth proportional to 1,886.90, 2,844.32 and 1,564.31 is: 2,358.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,886.90 : 2,844.32 = 1,564.31 : x
  2. Step 2: Convert to fraction form
    1,886.90/2,844.32 = 1,564.31/x
  3. Step 3: Cross multiply
    1,886.90x = 2,844.32 × 1,564.31
  4. Step 4: Simplify right side
    1,886.90x = 4,449,397.51
  5. Step 5: Solve for x
    x = 4,449,397.51/1,886.90
  6. Step 6: Final answer
    x = 2,358.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.