Home / 1,088.85-1,501.96-1,015.95

Finding the Fourth Proportional to 1,088.85, 1,501.96 and 1,015.95

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Solution

The fourth proportional to 1,088.85, 1,501.96 and 1,015.95 is: 1,401.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088.85 : 1,501.96 = 1,015.95 : x
  2. Step 2: Convert to fraction form
    1,088.85/1,501.96 = 1,015.95/x
  3. Step 3: Cross multiply
    1,088.85x = 1,501.96 × 1,015.95
  4. Step 4: Simplify right side
    1,088.85x = 1,525,911.18
  5. Step 5: Solve for x
    x = 1,525,911.18/1,088.85
  6. Step 6: Final answer
    x = 1,401.40

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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.