Home / 2,875.04-4,312.41-927.25

Finding the Fourth Proportional to 2,875.04, 4,312.41 and 927.25

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Solution

The fourth proportional to 2,875.04, 4,312.41 and 927.25 is: 1,390.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,875.04 : 4,312.41 = 927.25 : x
  2. Step 2: Convert to fraction form
    2,875.04/4,312.41 = 927.25/x
  3. Step 3: Cross multiply
    2,875.04x = 4,312.41 × 927.25
  4. Step 4: Simplify right side
    2,875.04x = 3,998,675.74
  5. Step 5: Solve for x
    x = 3,998,675.74/2,875.04
  6. Step 6: Final answer
    x = 1,390.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.