Home / 1,547.62-2,318.86-1,136.92

Finding the Fourth Proportional to 1,547.62, 2,318.86 and 1,136.92

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Solution

The fourth proportional to 1,547.62, 2,318.86 and 1,136.92 is: 1,703.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547.62 : 2,318.86 = 1,136.92 : x
  2. Step 2: Convert to fraction form
    1,547.62/2,318.86 = 1,136.92/x
  3. Step 3: Cross multiply
    1,547.62x = 2,318.86 × 1,136.92
  4. Step 4: Simplify right side
    1,547.62x = 2,636,358.31
  5. Step 5: Solve for x
    x = 2,636,358.31/1,547.62
  6. Step 6: Final answer
    x = 1,703.49

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1.5x scale

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.