Home / 2,837.04-3,914.64-1,658.40

Finding the Fourth Proportional to 2,837.04, 3,914.64 and 1,658.40

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Solution

The fourth proportional to 2,837.04, 3,914.64 and 1,658.40 is: 2,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,837.04 : 3,914.64 = 1,658.40 : x
  2. Step 2: Convert to fraction form
    2,837.04/3,914.64 = 1,658.40/x
  3. Step 3: Cross multiply
    2,837.04x = 3,914.64 × 1,658.40
  4. Step 4: Simplify right side
    2,837.04x = 6,492,038.98
  5. Step 5: Solve for x
    x = 6,492,038.98/2,837.04
  6. Step 6: Final answer
    x = 2,288.31

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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.