Home / 1,788.60-2,467.96-1,126.34

Finding the Fourth Proportional to 1,788.60, 2,467.96 and 1,126.34

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Solution

The fourth proportional to 1,788.60, 2,467.96 and 1,126.34 is: 1,554.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,788.60 : 2,467.96 = 1,126.34 : x
  2. Step 2: Convert to fraction form
    1,788.60/2,467.96 = 1,126.34/x
  3. Step 3: Cross multiply
    1,788.60x = 2,467.96 × 1,126.34
  4. Step 4: Simplify right side
    1,788.60x = 2,779,762.07
  5. Step 5: Solve for x
    x = 2,779,762.07/1,788.60
  6. Step 6: Final answer
    x = 1,554.16

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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.