Home / 1,590.48-2,193.96-1,001.16

Finding the Fourth Proportional to 1,590.48, 2,193.96 and 1,001.16

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Solution

The fourth proportional to 1,590.48, 2,193.96 and 1,001.16 is: 1,381.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590.48 : 2,193.96 = 1,001.16 : x
  2. Step 2: Convert to fraction form
    1,590.48/2,193.96 = 1,001.16/x
  3. Step 3: Cross multiply
    1,590.48x = 2,193.96 × 1,001.16
  4. Step 4: Simplify right side
    1,590.48x = 2,196,504.99
  5. Step 5: Solve for x
    x = 2,196,504.99/1,590.48
  6. Step 6: Final answer
    x = 1,381.03

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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.