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Finding the Fourth Proportional to 2,898.93, 4,000.51 and 1,572.67

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Solution

The fourth proportional to 2,898.93, 4,000.51 and 1,572.67 is: 2,170.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,898.93 : 4,000.51 = 1,572.67 : x
  2. Step 2: Convert to fraction form
    2,898.93/4,000.51 = 1,572.67/x
  3. Step 3: Cross multiply
    2,898.93x = 4,000.51 × 1,572.67
  4. Step 4: Simplify right side
    2,898.93x = 6,291,482.06
  5. Step 5: Solve for x
    x = 6,291,482.06/2,898.93
  6. Step 6: Final answer
    x = 2,170.28

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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.