Home / 1,511.95-2,088.62-1,167.07

Finding the Fourth Proportional to 1,511.95, 2,088.62 and 1,167.07

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Solution

The fourth proportional to 1,511.95, 2,088.62 and 1,167.07 is: 1,612.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511.95 : 2,088.62 = 1,167.07 : x
  2. Step 2: Convert to fraction form
    1,511.95/2,088.62 = 1,167.07/x
  3. Step 3: Cross multiply
    1,511.95x = 2,088.62 × 1,167.07
  4. Step 4: Simplify right side
    1,511.95x = 2,437,565.74
  5. Step 5: Solve for x
    x = 2,437,565.74/1,511.95
  6. Step 6: Final answer
    x = 1,612.20

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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.