Home / 1,437.95-1,984.70-1,017.87

Finding the Fourth Proportional to 1,437.95, 1,984.70 and 1,017.87

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Solution

The fourth proportional to 1,437.95, 1,984.70 and 1,017.87 is: 1,404.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.95 : 1,984.70 = 1,017.87 : x
  2. Step 2: Convert to fraction form
    1,437.95/1,984.70 = 1,017.87/x
  3. Step 3: Cross multiply
    1,437.95x = 1,984.70 × 1,017.87
  4. Step 4: Simplify right side
    1,437.95x = 2,020,161.69
  5. Step 5: Solve for x
    x = 2,020,161.69/1,437.95
  6. Step 6: Final answer
    x = 1,404.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.