Home / 1,587.03-2,190.23-924.09

Finding the Fourth Proportional to 1,587.03, 2,190.23 and 924.09

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Solution

The fourth proportional to 1,587.03, 2,190.23 and 924.09 is: 1,275.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,587.03 : 2,190.23 = 924.09 : x
  2. Step 2: Convert to fraction form
    1,587.03/2,190.23 = 924.09/x
  3. Step 3: Cross multiply
    1,587.03x = 2,190.23 × 924.09
  4. Step 4: Simplify right side
    1,587.03x = 2,023,958.69
  5. Step 5: Solve for x
    x = 2,023,958.69/1,587.03
  6. Step 6: Final answer
    x = 1,275.32

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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.