Home / 2,091.32-2,886.16-1,347.06

Finding the Fourth Proportional to 2,091.32, 2,886.16 and 1,347.06

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Solution

The fourth proportional to 2,091.32, 2,886.16 and 1,347.06 is: 1,859.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,091.32 : 2,886.16 = 1,347.06 : x
  2. Step 2: Convert to fraction form
    2,091.32/2,886.16 = 1,347.06/x
  3. Step 3: Cross multiply
    2,091.32x = 2,886.16 × 1,347.06
  4. Step 4: Simplify right side
    2,091.32x = 3,887,812.53
  5. Step 5: Solve for x
    x = 3,887,812.53/2,091.32
  6. Step 6: Final answer
    x = 1,859.02

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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.