Home / 1,136.16-1,702.35-1,019.93

Finding the Fourth Proportional to 1,136.16, 1,702.35 and 1,019.93

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Solution

The fourth proportional to 1,136.16, 1,702.35 and 1,019.93 is: 1,528.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136.16 : 1,702.35 = 1,019.93 : x
  2. Step 2: Convert to fraction form
    1,136.16/1,702.35 = 1,019.93/x
  3. Step 3: Cross multiply
    1,136.16x = 1,702.35 × 1,019.93
  4. Step 4: Simplify right side
    1,136.16x = 1,736,269.32
  5. Step 5: Solve for x
    x = 1,736,269.32/1,136.16
  6. Step 6: Final answer
    x = 1,528.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.