Home / 1,087.32-1,510.51-1,077.16

Finding the Fourth Proportional to 1,087.32, 1,510.51 and 1,077.16

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Solution

The fourth proportional to 1,087.32, 1,510.51 and 1,077.16 is: 1,496.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087.32 : 1,510.51 = 1,077.16 : x
  2. Step 2: Convert to fraction form
    1,087.32/1,510.51 = 1,077.16/x
  3. Step 3: Cross multiply
    1,087.32x = 1,510.51 × 1,077.16
  4. Step 4: Simplify right side
    1,087.32x = 1,627,060.95
  5. Step 5: Solve for x
    x = 1,627,060.95/1,087.32
  6. Step 6: Final answer
    x = 1,496.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.