Home / 1,545.04-2,316.48-775.12

Finding the Fourth Proportional to 1,545.04, 2,316.48 and 775.12

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Solution

The fourth proportional to 1,545.04, 2,316.48 and 775.12 is: 1,162.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.04 : 2,316.48 = 775.12 : x
  2. Step 2: Convert to fraction form
    1,545.04/2,316.48 = 775.12/x
  3. Step 3: Cross multiply
    1,545.04x = 2,316.48 × 775.12
  4. Step 4: Simplify right side
    1,545.04x = 1,795,549.98
  5. Step 5: Solve for x
    x = 1,795,549.98/1,545.04
  6. Step 6: Final answer
    x = 1,162.14

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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.