Home / 1,875.44-2,587.92-1,089.29

Finding the Fourth Proportional to 1,875.44, 2,587.92 and 1,089.29

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Solution

The fourth proportional to 1,875.44, 2,587.92 and 1,089.29 is: 1,503.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,875.44 : 2,587.92 = 1,089.29 : x
  2. Step 2: Convert to fraction form
    1,875.44/2,587.92 = 1,089.29/x
  3. Step 3: Cross multiply
    1,875.44x = 2,587.92 × 1,089.29
  4. Step 4: Simplify right side
    1,875.44x = 2,818,995.38
  5. Step 5: Solve for x
    x = 2,818,995.38/1,875.44
  6. Step 6: Final answer
    x = 1,503.11

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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.