Home / 2,636.60-3,638.01-1,588.74

Finding the Fourth Proportional to 2,636.60, 3,638.01 and 1,588.74

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Solution

The fourth proportional to 2,636.60, 3,638.01 and 1,588.74 is: 2,192.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,636.60 : 3,638.01 = 1,588.74 : x
  2. Step 2: Convert to fraction form
    2,636.60/3,638.01 = 1,588.74/x
  3. Step 3: Cross multiply
    2,636.60x = 3,638.01 × 1,588.74
  4. Step 4: Simplify right side
    2,636.60x = 5,779,852.01
  5. Step 5: Solve for x
    x = 5,779,852.01/2,636.60
  6. Step 6: Final answer
    x = 2,192.16

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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.