Home / 1,437.07-2,143.12-1,252.99

Finding the Fourth Proportional to 1,437.07, 2,143.12 and 1,252.99

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Solution

The fourth proportional to 1,437.07, 2,143.12 and 1,252.99 is: 1,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437.07 : 2,143.12 = 1,252.99 : x
  2. Step 2: Convert to fraction form
    1,437.07/2,143.12 = 1,252.99/x
  3. Step 3: Cross multiply
    1,437.07x = 2,143.12 × 1,252.99
  4. Step 4: Simplify right side
    1,437.07x = 2,685,307.93
  5. Step 5: Solve for x
    x = 2,685,307.93/1,437.07
  6. Step 6: Final answer
    x = 1,868.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.