Home / 2,437.12-3,363.04-1,389.04

Finding the Fourth Proportional to 2,437.12, 3,363.04 and 1,389.04

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Solution

The fourth proportional to 2,437.12, 3,363.04 and 1,389.04 is: 1,916.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,437.12 : 3,363.04 = 1,389.04 : x
  2. Step 2: Convert to fraction form
    2,437.12/3,363.04 = 1,389.04/x
  3. Step 3: Cross multiply
    2,437.12x = 3,363.04 × 1,389.04
  4. Step 4: Simplify right side
    2,437.12x = 4,671,397.08
  5. Step 5: Solve for x
    x = 4,671,397.08/2,437.12
  6. Step 6: Final answer
    x = 1,916.77

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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.