Home / 1,345.18-2,017.76-524.04

Finding the Fourth Proportional to 1,345.18, 2,017.76 and 524.04

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Solution

The fourth proportional to 1,345.18, 2,017.76 and 524.04 is: 786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,345.18 : 2,017.76 = 524.04 : x
  2. Step 2: Convert to fraction form
    1,345.18/2,017.76 = 524.04/x
  3. Step 3: Cross multiply
    1,345.18x = 2,017.76 × 524.04
  4. Step 4: Simplify right side
    1,345.18x = 1,057,386.95
  5. Step 5: Solve for x
    x = 1,057,386.95/1,345.18
  6. Step 6: Final answer
    x = 786.06

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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.