Home / 2,005.32-2,774.34-1,655.40

Finding the Fourth Proportional to 2,005.32, 2,774.34 and 1,655.40

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Solution

The fourth proportional to 2,005.32, 2,774.34 and 1,655.40 is: 2,290.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,005.32 : 2,774.34 = 1,655.40 : x
  2. Step 2: Convert to fraction form
    2,005.32/2,774.34 = 1,655.40/x
  3. Step 3: Cross multiply
    2,005.32x = 2,774.34 × 1,655.40
  4. Step 4: Simplify right side
    2,005.32x = 4,592,642.44
  5. Step 5: Solve for x
    x = 4,592,642.44/2,005.32
  6. Step 6: Final answer
    x = 2,290.23

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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.