Home / 1,584.10-2,181.06-1,347.58

Finding the Fourth Proportional to 1,584.10, 2,181.06 and 1,347.58

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Solution

The fourth proportional to 1,584.10, 2,181.06 and 1,347.58 is: 1,855.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584.10 : 2,181.06 = 1,347.58 : x
  2. Step 2: Convert to fraction form
    1,584.10/2,181.06 = 1,347.58/x
  3. Step 3: Cross multiply
    1,584.10x = 2,181.06 × 1,347.58
  4. Step 4: Simplify right side
    1,584.10x = 2,939,152.83
  5. Step 5: Solve for x
    x = 2,939,152.83/1,584.10
  6. Step 6: Final answer
    x = 1,855.41

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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.