Home / 3,124.91-4,312.90-1,798.37

Finding the Fourth Proportional to 3,124.91, 4,312.90 and 1,798.37

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Solution

The fourth proportional to 3,124.91, 4,312.90 and 1,798.37 is: 2,482.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,124.91 : 4,312.90 = 1,798.37 : x
  2. Step 2: Convert to fraction form
    3,124.91/4,312.90 = 1,798.37/x
  3. Step 3: Cross multiply
    3,124.91x = 4,312.90 × 1,798.37
  4. Step 4: Simplify right side
    3,124.91x = 7,756,159.42
  5. Step 5: Solve for x
    x = 7,756,159.42/3,124.91
  6. Step 6: Final answer
    x = 2,482.05

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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.