Home / 2,870.63-4,307.16-1,570.58

Finding the Fourth Proportional to 2,870.63, 4,307.16 and 1,570.58

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Solution

The fourth proportional to 2,870.63, 4,307.16 and 1,570.58 is: 2,356.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,870.63 : 4,307.16 = 1,570.58 : x
  2. Step 2: Convert to fraction form
    2,870.63/4,307.16 = 1,570.58/x
  3. Step 3: Cross multiply
    2,870.63x = 4,307.16 × 1,570.58
  4. Step 4: Simplify right side
    2,870.63x = 6,764,739.35
  5. Step 5: Solve for x
    x = 6,764,739.35/2,870.63
  6. Step 6: Final answer
    x = 2,356.53

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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.