Home / 4,038.56-5,570.62-2,545.20

Finding the Fourth Proportional to 4,038.56, 5,570.62 and 2,545.20

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Solution

The fourth proportional to 4,038.56, 5,570.62 and 2,545.20 is: 3,510.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,038.56 : 5,570.62 = 2,545.20 : x
  2. Step 2: Convert to fraction form
    4,038.56/5,570.62 = 2,545.20/x
  3. Step 3: Cross multiply
    4,038.56x = 5,570.62 × 2,545.20
  4. Step 4: Simplify right side
    4,038.56x = 14,178,342.02
  5. Step 5: Solve for x
    x = 14,178,342.02/4,038.56
  6. Step 6: Final answer
    x = 3,510.74

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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.