Home / 2,931.36-4,045.24-1,586.93

Finding the Fourth Proportional to 2,931.36, 4,045.24 and 1,586.93

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Solution

The fourth proportional to 2,931.36, 4,045.24 and 1,586.93 is: 2,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,931.36 : 4,045.24 = 1,586.93 : x
  2. Step 2: Convert to fraction form
    2,931.36/4,045.24 = 1,586.93/x
  3. Step 3: Cross multiply
    2,931.36x = 4,045.24 × 1,586.93
  4. Step 4: Simplify right side
    2,931.36x = 6,419,494.47
  5. Step 5: Solve for x
    x = 6,419,494.47/2,931.36
  6. Step 6: Final answer
    x = 2,189.94

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1.5x scale

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.